Home / 98,682.40-147,085.51-93,077.61

Finding the Fourth Proportional to 98,682.40, 147,085.51 and 93,077.61

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Solution

The fourth proportional to 98,682.40, 147,085.51 and 93,077.61 is: 138,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,682.40 : 147,085.51 = 93,077.61 : x
  2. Step 2: Convert to fraction form
    98,682.40/147,085.51 = 93,077.61/x
  3. Step 3: Cross multiply
    98,682.40x = 147,085.51 × 93,077.61
  4. Step 4: Simplify right side
    98,682.40x = 13,690,367,736.43
  5. Step 5: Solve for x
    x = 13,690,367,736.43/98,682.40
  6. Step 6: Final answer
    x = 138,731.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.