Home / 60,108.36-90,177.30-42,373.68

Finding the Fourth Proportional to 60,108.36, 90,177.30 and 42,373.68

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Solution

The fourth proportional to 60,108.36, 90,177.30 and 42,373.68 is: 63,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,108.36 : 90,177.30 = 42,373.68 : x
  2. Step 2: Convert to fraction form
    60,108.36/90,177.30 = 42,373.68/x
  3. Step 3: Cross multiply
    60,108.36x = 90,177.30 × 42,373.68
  4. Step 4: Simplify right side
    60,108.36x = 3,821,144,053.46
  5. Step 5: Solve for x
    x = 3,821,144,053.46/60,108.36
  6. Step 6: Final answer
    x = 63,570.93

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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.