Home / 99,594.01-137,437.91-54,272.38

Finding the Fourth Proportional to 99,594.01, 137,437.91 and 54,272.38

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Solution

The fourth proportional to 99,594.01, 137,437.91 and 54,272.38 is: 74,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.01 : 137,437.91 = 54,272.38 : x
  2. Step 2: Convert to fraction form
    99,594.01/137,437.91 = 54,272.38/x
  3. Step 3: Cross multiply
    99,594.01x = 137,437.91 × 54,272.38
  4. Step 4: Simplify right side
    99,594.01x = 7,459,082,629.47
  5. Step 5: Solve for x
    x = 7,459,082,629.47/99,594.01
  6. Step 6: Final answer
    x = 74,894.90

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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.