Home / 122,438.60-183,697.60-60,065.36

Finding the Fourth Proportional to 122,438.60, 183,697.60 and 60,065.36

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Solution

The fourth proportional to 122,438.60, 183,697.60 and 60,065.36 is: 90,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,438.60 : 183,697.60 = 60,065.36 : x
  2. Step 2: Convert to fraction form
    122,438.60/183,697.60 = 60,065.36/x
  3. Step 3: Cross multiply
    122,438.60x = 183,697.60 × 60,065.36
  4. Step 4: Simplify right side
    122,438.60x = 11,033,862,475.14
  5. Step 5: Solve for x
    x = 11,033,862,475.14/122,438.60
  6. Step 6: Final answer
    x = 90,117.52

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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.