Home / 99,585.65-137,426.46-54,264.01

Finding the Fourth Proportional to 99,585.65, 137,426.46 and 54,264.01

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Solution

The fourth proportional to 99,585.65, 137,426.46 and 54,264.01 is: 74,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.65 : 137,426.46 = 54,264.01 : x
  2. Step 2: Convert to fraction form
    99,585.65/137,426.46 = 54,264.01/x
  3. Step 3: Cross multiply
    99,585.65x = 137,426.46 × 54,264.01
  4. Step 4: Simplify right side
    99,585.65x = 7,457,310,799.70
  5. Step 5: Solve for x
    x = 7,457,310,799.70/99,585.65
  6. Step 6: Final answer
    x = 74,883.39

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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.