Home / 98,740.93-136,262.30-53,418.95

Finding the Fourth Proportional to 98,740.93, 136,262.30 and 53,418.95

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Solution

The fourth proportional to 98,740.93, 136,262.30 and 53,418.95 is: 73,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.93 : 136,262.30 = 53,418.95 : x
  2. Step 2: Convert to fraction form
    98,740.93/136,262.30 = 53,418.95/x
  3. Step 3: Cross multiply
    98,740.93x = 136,262.30 × 53,418.95
  4. Step 4: Simplify right side
    98,740.93x = 7,278,988,990.59
  5. Step 5: Solve for x
    x = 7,278,988,990.59/98,740.93
  6. Step 6: Final answer
    x = 73,718.05

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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.