Home / 99,323.14-137,068.62-54,004.18

Finding the Fourth Proportional to 99,323.14, 137,068.62 and 54,004.18

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Solution

The fourth proportional to 99,323.14, 137,068.62 and 54,004.18 is: 74,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,323.14 : 137,068.62 = 54,004.18 : x
  2. Step 2: Convert to fraction form
    99,323.14/137,068.62 = 54,004.18/x
  3. Step 3: Cross multiply
    99,323.14x = 137,068.62 × 54,004.18
  4. Step 4: Simplify right side
    99,323.14x = 7,402,278,426.83
  5. Step 5: Solve for x
    x = 7,402,278,426.83/99,323.14
  6. Step 6: Final answer
    x = 74,527.23

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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.