Home / 98,787.22-136,294.20-62,988.77

Finding the Fourth Proportional to 98,787.22, 136,294.20 and 62,988.77

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Solution

The fourth proportional to 98,787.22, 136,294.20 and 62,988.77 is: 86,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,787.22 : 136,294.20 = 62,988.77 : x
  2. Step 2: Convert to fraction form
    98,787.22/136,294.20 = 62,988.77/x
  3. Step 3: Cross multiply
    98,787.22x = 136,294.20 × 62,988.77
  4. Step 4: Simplify right side
    98,787.22x = 8,585,004,356.87
  5. Step 5: Solve for x
    x = 8,585,004,356.87/98,787.22
  6. Step 6: Final answer
    x = 86,904.00

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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.