Home / 99,288.14-137,018.43-53,966.13

Finding the Fourth Proportional to 99,288.14, 137,018.43 and 53,966.13

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Solution

The fourth proportional to 99,288.14, 137,018.43 and 53,966.13 is: 74,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.14 : 137,018.43 = 53,966.13 : x
  2. Step 2: Convert to fraction form
    99,288.14/137,018.43 = 53,966.13/x
  3. Step 3: Cross multiply
    99,288.14x = 137,018.43 × 53,966.13
  4. Step 4: Simplify right side
    99,288.14x = 7,394,354,405.78
  5. Step 5: Solve for x
    x = 7,394,354,405.78/99,288.14
  6. Step 6: Final answer
    x = 74,473.70

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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.