Home / 64,360.35-88,817.31-39,209.85

Finding the Fourth Proportional to 64,360.35, 88,817.31 and 39,209.85

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Solution

The fourth proportional to 64,360.35, 88,817.31 and 39,209.85 is: 54,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360.35 : 88,817.31 = 39,209.85 : x
  2. Step 2: Convert to fraction form
    64,360.35/88,817.31 = 39,209.85/x
  3. Step 3: Cross multiply
    64,360.35x = 88,817.31 × 39,209.85
  4. Step 4: Simplify right side
    64,360.35x = 3,482,513,402.50
  5. Step 5: Solve for x
    x = 3,482,513,402.50/64,360.35
  6. Step 6: Final answer
    x = 54,109.61

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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.