Home / 63,341.16-87,331.38-40,640.10

Finding the Fourth Proportional to 63,341.16, 87,331.38 and 40,640.10

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Solution

The fourth proportional to 63,341.16, 87,331.38 and 40,640.10 is: 56,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,341.16 : 87,331.38 = 40,640.10 : x
  2. Step 2: Convert to fraction form
    63,341.16/87,331.38 = 40,640.10/x
  3. Step 3: Cross multiply
    63,341.16x = 87,331.38 × 40,640.10
  4. Step 4: Simplify right side
    63,341.16x = 3,549,156,016.34
  5. Step 5: Solve for x
    x = 3,549,156,016.34/63,341.16
  6. Step 6: Final answer
    x = 56,032.38

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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.