Home / 63,931.08-88,222.86-40,070.64

Finding the Fourth Proportional to 63,931.08, 88,222.86 and 40,070.64

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Solution

The fourth proportional to 63,931.08, 88,222.86 and 40,070.64 is: 55,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931.08 : 88,222.86 = 40,070.64 : x
  2. Step 2: Convert to fraction form
    63,931.08/88,222.86 = 40,070.64/x
  3. Step 3: Cross multiply
    63,931.08x = 88,222.86 × 40,070.64
  4. Step 4: Simplify right side
    63,931.08x = 3,535,146,462.83
  5. Step 5: Solve for x
    x = 3,535,146,462.83/63,931.08
  6. Step 6: Final answer
    x = 55,296.21

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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.