Home / 45,715.59-63,126.45-28,748.23

Finding the Fourth Proportional to 45,715.59, 63,126.45 and 28,748.23

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Solution

The fourth proportional to 45,715.59, 63,126.45 and 28,748.23 is: 39,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.59 : 63,126.45 = 28,748.23 : x
  2. Step 2: Convert to fraction form
    45,715.59/63,126.45 = 28,748.23/x
  3. Step 3: Cross multiply
    45,715.59x = 63,126.45 × 28,748.23
  4. Step 4: Simplify right side
    45,715.59x = 1,814,773,545.87
  5. Step 5: Solve for x
    x = 1,814,773,545.87/45,715.59
  6. Step 6: Final answer
    x = 39,697.04

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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.