Home / 59,780.16-82,504.08-38,620.80

Finding the Fourth Proportional to 59,780.16, 82,504.08 and 38,620.80

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Solution

The fourth proportional to 59,780.16, 82,504.08 and 38,620.80 is: 53,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.16 : 82,504.08 = 38,620.80 : x
  2. Step 2: Convert to fraction form
    59,780.16/82,504.08 = 38,620.80/x
  3. Step 3: Cross multiply
    59,780.16x = 82,504.08 × 38,620.80
  4. Step 4: Simplify right side
    59,780.16x = 3,186,373,572.86
  5. Step 5: Solve for x
    x = 3,186,373,572.86/59,780.16
  6. Step 6: Final answer
    x = 53,301.52

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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.