Home / 63,105.56-87,070.14-38,570.16

Finding the Fourth Proportional to 63,105.56, 87,070.14 and 38,570.16

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Solution

The fourth proportional to 63,105.56, 87,070.14 and 38,570.16 is: 53,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.56 : 87,070.14 = 38,570.16 : x
  2. Step 2: Convert to fraction form
    63,105.56/87,070.14 = 38,570.16/x
  3. Step 3: Cross multiply
    63,105.56x = 87,070.14 × 38,570.16
  4. Step 4: Simplify right side
    63,105.56x = 3,358,309,067.77
  5. Step 5: Solve for x
    x = 3,358,309,067.77/63,105.56
  6. Step 6: Final answer
    x = 53,217.32

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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.