Home / 99,963.06-149,870.52-60,510.84

Finding the Fourth Proportional to 99,963.06, 149,870.52 and 60,510.84

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Solution

The fourth proportional to 99,963.06, 149,870.52 and 60,510.84 is: 90,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,963.06 : 149,870.52 = 60,510.84 : x
  2. Step 2: Convert to fraction form
    99,963.06/149,870.52 = 60,510.84/x
  3. Step 3: Cross multiply
    99,963.06x = 149,870.52 × 60,510.84
  4. Step 4: Simplify right side
    99,963.06x = 9,068,791,056.44
  5. Step 5: Solve for x
    x = 9,068,791,056.44/99,963.06
  6. Step 6: Final answer
    x = 90,721.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.