Home / 124,350.13-171,603.20-67,761.50

Finding the Fourth Proportional to 124,350.13, 171,603.20 and 67,761.50

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Solution

The fourth proportional to 124,350.13, 171,603.20 and 67,761.50 is: 93,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,350.13 : 171,603.20 = 67,761.50 : x
  2. Step 2: Convert to fraction form
    124,350.13/171,603.20 = 67,761.50/x
  3. Step 3: Cross multiply
    124,350.13x = 171,603.20 × 67,761.50
  4. Step 4: Simplify right side
    124,350.13x = 11,628,089,897.99
  5. Step 5: Solve for x
    x = 11,628,089,897.99/124,350.13
  6. Step 6: Final answer
    x = 93,510.88

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1.5x scale

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.