Home / 96,498.40-144,772.08-40,328.80

Finding the Fourth Proportional to 96,498.40, 144,772.08 and 40,328.80

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Solution

The fourth proportional to 96,498.40, 144,772.08 and 40,328.80 is: 60,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,498.40 : 144,772.08 = 40,328.80 : x
  2. Step 2: Convert to fraction form
    96,498.40/144,772.08 = 40,328.80/x
  3. Step 3: Cross multiply
    96,498.40x = 144,772.08 × 40,328.80
  4. Step 4: Simplify right side
    96,498.40x = 5,838,484,259.90
  5. Step 5: Solve for x
    x = 5,838,484,259.90/96,498.40
  6. Step 6: Final answer
    x = 60,503.43

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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.