Home / 112,938.24-169,426.80-60,333.60

Finding the Fourth Proportional to 112,938.24, 169,426.80 and 60,333.60

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Solution

The fourth proportional to 112,938.24, 169,426.80 and 60,333.60 is: 90,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,938.24 : 169,426.80 = 60,333.60 : x
  2. Step 2: Convert to fraction form
    112,938.24/169,426.80 = 60,333.60/x
  3. Step 3: Cross multiply
    112,938.24x = 169,426.80 × 60,333.60
  4. Step 4: Simplify right side
    112,938.24x = 10,222,128,780.48
  5. Step 5: Solve for x
    x = 10,222,128,780.48/112,938.24
  6. Step 6: Final answer
    x = 90,510.79

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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.