Home / 96,459.20-144,688.80-34,121.60

Finding the Fourth Proportional to 96,459.20, 144,688.80 and 34,121.60

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Solution

The fourth proportional to 96,459.20, 144,688.80 and 34,121.60 is: 51,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,459.20 : 144,688.80 = 34,121.60 : x
  2. Step 2: Convert to fraction form
    96,459.20/144,688.80 = 34,121.60/x
  3. Step 3: Cross multiply
    96,459.20x = 144,688.80 × 34,121.60
  4. Step 4: Simplify right side
    96,459.20x = 4,937,013,358.08
  5. Step 5: Solve for x
    x = 4,937,013,358.08/96,459.20
  6. Step 6: Final answer
    x = 51,182.40

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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.