Home / 99,409.60-149,180.02-52,695.28

Finding the Fourth Proportional to 99,409.60, 149,180.02 and 52,695.28

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Solution

The fourth proportional to 99,409.60, 149,180.02 and 52,695.28 is: 79,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409.60 : 149,180.02 = 52,695.28 : x
  2. Step 2: Convert to fraction form
    99,409.60/149,180.02 = 52,695.28/x
  3. Step 3: Cross multiply
    99,409.60x = 149,180.02 × 52,695.28
  4. Step 4: Simplify right side
    99,409.60x = 7,861,083,324.51
  5. Step 5: Solve for x
    x = 7,861,083,324.51/99,409.60
  6. Step 6: Final answer
    x = 79,077.70

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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.