Home / 58,543.68-80,789.58-31,685.55

Finding the Fourth Proportional to 58,543.68, 80,789.58 and 31,685.55

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Solution

The fourth proportional to 58,543.68, 80,789.58 and 31,685.55 is: 43,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.68 : 80,789.58 = 31,685.55 : x
  2. Step 2: Convert to fraction form
    58,543.68/80,789.58 = 31,685.55/x
  3. Step 3: Cross multiply
    58,543.68x = 80,789.58 × 31,685.55
  4. Step 4: Simplify right side
    58,543.68x = 2,559,862,276.57
  5. Step 5: Solve for x
    x = 2,559,862,276.57/58,543.68
  6. Step 6: Final answer
    x = 43,725.68

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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.