Home / 98,913.60-148,366.80-39,733.20

Finding the Fourth Proportional to 98,913.60, 148,366.80 and 39,733.20

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Solution

The fourth proportional to 98,913.60, 148,366.80 and 39,733.20 is: 59,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.60 : 148,366.80 = 39,733.20 : x
  2. Step 2: Convert to fraction form
    98,913.60/148,366.80 = 39,733.20/x
  3. Step 3: Cross multiply
    98,913.60x = 148,366.80 × 39,733.20
  4. Step 4: Simplify right side
    98,913.60x = 5,895,087,737.76
  5. Step 5: Solve for x
    x = 5,895,087,737.76/98,913.60
  6. Step 6: Final answer
    x = 59,598.35

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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.