Home / 98,869.42-136,330.47-63,002.62

Finding the Fourth Proportional to 98,869.42, 136,330.47 and 63,002.62

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Solution

The fourth proportional to 98,869.42, 136,330.47 and 63,002.62 is: 86,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.42 : 136,330.47 = 63,002.62 : x
  2. Step 2: Convert to fraction form
    98,869.42/136,330.47 = 63,002.62/x
  3. Step 3: Cross multiply
    98,869.42x = 136,330.47 × 63,002.62
  4. Step 4: Simplify right side
    98,869.42x = 8,589,176,795.83
  5. Step 5: Solve for x
    x = 8,589,176,795.83/98,869.42
  6. Step 6: Final answer
    x = 86,873.95

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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.