Home / 122,628.95-183,772.16-59,432.30

Finding the Fourth Proportional to 122,628.95, 183,772.16 and 59,432.30

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Solution

The fourth proportional to 122,628.95, 183,772.16 and 59,432.30 is: 89,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,628.95 : 183,772.16 = 59,432.30 : x
  2. Step 2: Convert to fraction form
    122,628.95/183,772.16 = 59,432.30/x
  3. Step 3: Cross multiply
    122,628.95x = 183,772.16 × 59,432.30
  4. Step 4: Simplify right side
    122,628.95x = 10,922,002,144.77
  5. Step 5: Solve for x
    x = 10,922,002,144.77/122,628.95
  6. Step 6: Final answer
    x = 89,065.45

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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.