Home / 122,485.77-183,712.19-47,598.71

Finding the Fourth Proportional to 122,485.77, 183,712.19 and 47,598.71

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Solution

The fourth proportional to 122,485.77, 183,712.19 and 47,598.71 is: 71,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485.77 : 183,712.19 = 47,598.71 : x
  2. Step 2: Convert to fraction form
    122,485.77/183,712.19 = 47,598.71/x
  3. Step 3: Cross multiply
    122,485.77x = 183,712.19 × 47,598.71
  4. Step 4: Simplify right side
    122,485.77x = 8,744,462,098.72
  5. Step 5: Solve for x
    x = 8,744,462,098.72/122,485.77
  6. Step 6: Final answer
    x = 71,391.66

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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.