Home / 106,938.69-147,565.29-63,909.62

Finding the Fourth Proportional to 106,938.69, 147,565.29 and 63,909.62

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Solution

The fourth proportional to 106,938.69, 147,565.29 and 63,909.62 is: 88,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.69 : 147,565.29 = 63,909.62 : x
  2. Step 2: Convert to fraction form
    106,938.69/147,565.29 = 63,909.62/x
  3. Step 3: Cross multiply
    106,938.69x = 147,565.29 × 63,909.62
  4. Step 4: Simplify right side
    106,938.69x = 9,430,841,664.29
  5. Step 5: Solve for x
    x = 9,430,841,664.29/106,938.69
  6. Step 6: Final answer
    x = 88,189.24

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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.