Home / 94,113.38-129,861.15-53,820.65

Finding the Fourth Proportional to 94,113.38, 129,861.15 and 53,820.65

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Solution

The fourth proportional to 94,113.38, 129,861.15 and 53,820.65 is: 74,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,113.38 : 129,861.15 = 53,820.65 : x
  2. Step 2: Convert to fraction form
    94,113.38/129,861.15 = 53,820.65/x
  3. Step 3: Cross multiply
    94,113.38x = 129,861.15 × 53,820.65
  4. Step 4: Simplify right side
    94,113.38x = 6,989,211,502.75
  5. Step 5: Solve for x
    x = 6,989,211,502.75/94,113.38
  6. Step 6: Final answer
    x = 74,263.74

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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.