Home / 62,543.97-93,818.69-20,423.72

Finding the Fourth Proportional to 62,543.97, 93,818.69 and 20,423.72

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Solution

The fourth proportional to 62,543.97, 93,818.69 and 20,423.72 is: 30,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.97 : 93,818.69 = 20,423.72 : x
  2. Step 2: Convert to fraction form
    62,543.97/93,818.69 = 20,423.72/x
  3. Step 3: Cross multiply
    62,543.97x = 93,818.69 × 20,423.72
  4. Step 4: Simplify right side
    62,543.97x = 1,916,126,084.11
  5. Step 5: Solve for x
    x = 1,916,126,084.11/62,543.97
  6. Step 6: Final answer
    x = 30,636.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.