Home / 122,585.10-183,877.65-47,708.70

Finding the Fourth Proportional to 122,585.10, 183,877.65 and 47,708.70

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Solution

The fourth proportional to 122,585.10, 183,877.65 and 47,708.70 is: 71,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,585.10 : 183,877.65 = 47,708.70 : x
  2. Step 2: Convert to fraction form
    122,585.10/183,877.65 = 47,708.70/x
  3. Step 3: Cross multiply
    122,585.10x = 183,877.65 × 47,708.70
  4. Step 4: Simplify right side
    122,585.10x = 8,772,563,640.56
  5. Step 5: Solve for x
    x = 8,772,563,640.56/122,585.10
  6. Step 6: Final answer
    x = 71,563.05

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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.