Home / 67,210.56-92,743.92-38,925.36

Finding the Fourth Proportional to 67,210.56, 92,743.92 and 38,925.36

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Solution

The fourth proportional to 67,210.56, 92,743.92 and 38,925.36 is: 53,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.56 : 92,743.92 = 38,925.36 : x
  2. Step 2: Convert to fraction form
    67,210.56/92,743.92 = 38,925.36/x
  3. Step 3: Cross multiply
    67,210.56x = 92,743.92 × 38,925.36
  4. Step 4: Simplify right side
    67,210.56x = 3,610,090,473.81
  5. Step 5: Solve for x
    x = 3,610,090,473.81/67,210.56
  6. Step 6: Final answer
    x = 53,713.14

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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.