Home / 63,440.64-95,097.60-42,398.40

Finding the Fourth Proportional to 63,440.64, 95,097.60 and 42,398.40

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Solution

The fourth proportional to 63,440.64, 95,097.60 and 42,398.40 is: 63,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.64 : 95,097.60 = 42,398.40 : x
  2. Step 2: Convert to fraction form
    63,440.64/95,097.60 = 42,398.40/x
  3. Step 3: Cross multiply
    63,440.64x = 95,097.60 × 42,398.40
  4. Step 4: Simplify right side
    63,440.64x = 4,031,986,083.84
  5. Step 5: Solve for x
    x = 4,031,986,083.84/63,440.64
  6. Step 6: Final answer
    x = 63,555.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.