Home / 98,837.60-136,260.30-62,520.98

Finding the Fourth Proportional to 98,837.60, 136,260.30 and 62,520.98

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Solution

The fourth proportional to 98,837.60, 136,260.30 and 62,520.98 is: 86,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,837.60 : 136,260.30 = 62,520.98 : x
  2. Step 2: Convert to fraction form
    98,837.60/136,260.30 = 62,520.98/x
  3. Step 3: Cross multiply
    98,837.60x = 136,260.30 × 62,520.98
  4. Step 4: Simplify right side
    98,837.60x = 8,519,127,491.09
  5. Step 5: Solve for x
    x = 8,519,127,491.09/98,837.60
  6. Step 6: Final answer
    x = 86,193.18

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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.