Home / 99,607.43-137,454.24-54,284.45

Finding the Fourth Proportional to 99,607.43, 137,454.24 and 54,284.45

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Solution

The fourth proportional to 99,607.43, 137,454.24 and 54,284.45 is: 74,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,607.43 : 137,454.24 = 54,284.45 : x
  2. Step 2: Convert to fraction form
    99,607.43/137,454.24 = 54,284.45/x
  3. Step 3: Cross multiply
    99,607.43x = 137,454.24 × 54,284.45
  4. Step 4: Simplify right side
    99,607.43x = 7,461,627,818.57
  5. Step 5: Solve for x
    x = 7,461,627,818.57/99,607.43
  6. Step 6: Final answer
    x = 74,910.35

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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.