Home / 99,352.24-137,107.01-54,030.65

Finding the Fourth Proportional to 99,352.24, 137,107.01 and 54,030.65

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Solution

The fourth proportional to 99,352.24, 137,107.01 and 54,030.65 is: 74,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,352.24 : 137,107.01 = 54,030.65 : x
  2. Step 2: Convert to fraction form
    99,352.24/137,107.01 = 54,030.65/x
  3. Step 3: Cross multiply
    99,352.24x = 137,107.01 × 54,030.65
  4. Step 4: Simplify right side
    99,352.24x = 7,407,980,869.86
  5. Step 5: Solve for x
    x = 7,407,980,869.86/99,352.24
  6. Step 6: Final answer
    x = 74,562.80

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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.