Home / 99,594.36-137,438.46-54,272.70

Finding the Fourth Proportional to 99,594.36, 137,438.46 and 54,272.70

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Solution

The fourth proportional to 99,594.36, 137,438.46 and 54,272.70 is: 74,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.36 : 137,438.46 = 54,272.70 : x
  2. Step 2: Convert to fraction form
    99,594.36/137,438.46 = 54,272.70/x
  3. Step 3: Cross multiply
    99,594.36x = 137,438.46 × 54,272.70
  4. Step 4: Simplify right side
    99,594.36x = 7,459,156,308.04
  5. Step 5: Solve for x
    x = 7,459,156,308.04/99,594.36
  6. Step 6: Final answer
    x = 74,895.37

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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.