Home / 67,210.81-92,740.07-38,525.19

Finding the Fourth Proportional to 67,210.81, 92,740.07 and 38,525.19

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Solution

The fourth proportional to 67,210.81, 92,740.07 and 38,525.19 is: 53,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.81 : 92,740.07 = 38,525.19 : x
  2. Step 2: Convert to fraction form
    67,210.81/92,740.07 = 38,525.19/x
  3. Step 3: Cross multiply
    67,210.81x = 92,740.07 × 38,525.19
  4. Step 4: Simplify right side
    67,210.81x = 3,572,828,740.66
  5. Step 5: Solve for x
    x = 3,572,828,740.66/67,210.81
  6. Step 6: Final answer
    x = 53,158.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.