Home / 98,681.10-148,023-32,121.51

Finding the Fourth Proportional to 98,681.10, 148,023 and 32,121.51

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Solution

The fourth proportional to 98,681.10, 148,023 and 32,121.51 is: 48,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681.10 : 148,023 = 32,121.51 : x
  2. Step 2: Convert to fraction form
    98,681.10/148,023 = 32,121.51/x
  3. Step 3: Cross multiply
    98,681.10x = 148,023 × 32,121.51
  4. Step 4: Simplify right side
    98,681.10x = 4,754,722,274.73
  5. Step 5: Solve for x
    x = 4,754,722,274.73/98,681.10
  6. Step 6: Final answer
    x = 48,182.70

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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.