Home / 67,703.48-93,441.35-38,631.90

Finding the Fourth Proportional to 67,703.48, 93,441.35 and 38,631.90

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Solution

The fourth proportional to 67,703.48, 93,441.35 and 38,631.90 is: 53,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,703.48 : 93,441.35 = 38,631.90 : x
  2. Step 2: Convert to fraction form
    67,703.48/93,441.35 = 38,631.90/x
  3. Step 3: Cross multiply
    67,703.48x = 93,441.35 × 38,631.90
  4. Step 4: Simplify right side
    67,703.48x = 3,609,817,118.75
  5. Step 5: Solve for x
    x = 3,609,817,118.75/67,703.48
  6. Step 6: Final answer
    x = 53,318.04

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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.