Home / 122,459.55-183,730.28-47,582.13

Finding the Fourth Proportional to 122,459.55, 183,730.28 and 47,582.13

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Solution

The fourth proportional to 122,459.55, 183,730.28 and 47,582.13 is: 71,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.55 : 183,730.28 = 47,582.13 : x
  2. Step 2: Convert to fraction form
    122,459.55/183,730.28 = 47,582.13/x
  3. Step 3: Cross multiply
    122,459.55x = 183,730.28 × 47,582.13
  4. Step 4: Simplify right side
    122,459.55x = 8,742,278,518.97
  5. Step 5: Solve for x
    x = 8,742,278,518.97/122,459.55
  6. Step 6: Final answer
    x = 71,389.11

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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.