Home / 122,582.17-183,885.20-47,708.40

Finding the Fourth Proportional to 122,582.17, 183,885.20 and 47,708.40

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Solution

The fourth proportional to 122,582.17, 183,885.20 and 47,708.40 is: 71,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,582.17 : 183,885.20 = 47,708.40 : x
  2. Step 2: Convert to fraction form
    122,582.17/183,885.20 = 47,708.40/x
  3. Step 3: Cross multiply
    122,582.17x = 183,885.20 × 47,708.40
  4. Step 4: Simplify right side
    122,582.17x = 8,772,868,675.68
  5. Step 5: Solve for x
    x = 8,772,868,675.68/122,582.17
  6. Step 6: Final answer
    x = 71,567.25

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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.