Home / 98,870.07-136,446.67-60,634.02

Finding the Fourth Proportional to 98,870.07, 136,446.67 and 60,634.02

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Solution

The fourth proportional to 98,870.07, 136,446.67 and 60,634.02 is: 83,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870.07 : 136,446.67 = 60,634.02 : x
  2. Step 2: Convert to fraction form
    98,870.07/136,446.67 = 60,634.02/x
  3. Step 3: Cross multiply
    98,870.07x = 136,446.67 × 60,634.02
  4. Step 4: Simplify right side
    98,870.07x = 8,273,309,283.90
  5. Step 5: Solve for x
    x = 8,273,309,283.90/98,870.07
  6. Step 6: Final answer
    x = 83,678.61

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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.