Home / 99,546.60-137,364.35-61,300.02

Finding the Fourth Proportional to 99,546.60, 137,364.35 and 61,300.02

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Solution

The fourth proportional to 99,546.60, 137,364.35 and 61,300.02 is: 84,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.60 : 137,364.35 = 61,300.02 : x
  2. Step 2: Convert to fraction form
    99,546.60/137,364.35 = 61,300.02/x
  3. Step 3: Cross multiply
    99,546.60x = 137,364.35 × 61,300.02
  4. Step 4: Simplify right side
    99,546.60x = 8,420,437,095.79
  5. Step 5: Solve for x
    x = 8,420,437,095.79/99,546.60
  6. Step 6: Final answer
    x = 84,587.89

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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.