Home / 99,585.16-137,425.75-54,263.46

Finding the Fourth Proportional to 99,585.16, 137,425.75 and 54,263.46

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Solution

The fourth proportional to 99,585.16, 137,425.75 and 54,263.46 is: 74,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.16 : 137,425.75 = 54,263.46 : x
  2. Step 2: Convert to fraction form
    99,585.16/137,425.75 = 54,263.46/x
  3. Step 3: Cross multiply
    99,585.16x = 137,425.75 × 54,263.46
  4. Step 4: Simplify right side
    99,585.16x = 7,457,196,688.10
  5. Step 5: Solve for x
    x = 7,457,196,688.10/99,585.16
  6. Step 6: Final answer
    x = 74,882.61

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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.