Home / 107,938.50-148,955.72-59,542.13

Finding the Fourth Proportional to 107,938.50, 148,955.72 and 59,542.13

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Solution

The fourth proportional to 107,938.50, 148,955.72 and 59,542.13 is: 82,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.50 : 148,955.72 = 59,542.13 : x
  2. Step 2: Convert to fraction form
    107,938.50/148,955.72 = 59,542.13/x
  3. Step 3: Cross multiply
    107,938.50x = 148,955.72 × 59,542.13
  4. Step 4: Simplify right side
    107,938.50x = 8,869,140,844.48
  5. Step 5: Solve for x
    x = 8,869,140,844.48/107,938.50
  6. Step 6: Final answer
    x = 82,168.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.