Home / 63,638.16-87,785.28-59,132.94

Finding the Fourth Proportional to 63,638.16, 87,785.28 and 59,132.94

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Solution

The fourth proportional to 63,638.16, 87,785.28 and 59,132.94 is: 81,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.16 : 87,785.28 = 59,132.94 : x
  2. Step 2: Convert to fraction form
    63,638.16/87,785.28 = 59,132.94/x
  3. Step 3: Cross multiply
    63,638.16x = 87,785.28 × 59,132.94
  4. Step 4: Simplify right side
    63,638.16x = 5,191,001,695.12
  5. Step 5: Solve for x
    x = 5,191,001,695.12/63,638.16
  6. Step 6: Final answer
    x = 81,570.58

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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.