Home / 78,229.07-108,045.23-53,034.83

Finding the Fourth Proportional to 78,229.07, 108,045.23 and 53,034.83

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Solution

The fourth proportional to 78,229.07, 108,045.23 and 53,034.83 is: 73,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,229.07 : 108,045.23 = 53,034.83 : x
  2. Step 2: Convert to fraction form
    78,229.07/108,045.23 = 53,034.83/x
  3. Step 3: Cross multiply
    78,229.07x = 108,045.23 × 53,034.83
  4. Step 4: Simplify right side
    78,229.07x = 5,730,160,405.36
  5. Step 5: Solve for x
    x = 5,730,160,405.36/78,229.07
  6. Step 6: Final answer
    x = 73,248.48

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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.