Home / 99,442.13-137,230.16-54,730.13

Finding the Fourth Proportional to 99,442.13, 137,230.16 and 54,730.13

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Solution

The fourth proportional to 99,442.13, 137,230.16 and 54,730.13 is: 75,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.13 : 137,230.16 = 54,730.13 : x
  2. Step 2: Convert to fraction form
    99,442.13/137,230.16 = 54,730.13/x
  3. Step 3: Cross multiply
    99,442.13x = 137,230.16 × 54,730.13
  4. Step 4: Simplify right side
    99,442.13x = 7,510,623,536.92
  5. Step 5: Solve for x
    x = 7,510,623,536.92/99,442.13
  6. Step 6: Final answer
    x = 75,527.58

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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.