Home / 117,552.60-176,327.64-47,430.72

Finding the Fourth Proportional to 117,552.60, 176,327.64 and 47,430.72

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Solution

The fourth proportional to 117,552.60, 176,327.64 and 47,430.72 is: 71,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.60 : 176,327.64 = 47,430.72 : x
  2. Step 2: Convert to fraction form
    117,552.60/176,327.64 = 47,430.72/x
  3. Step 3: Cross multiply
    117,552.60x = 176,327.64 × 47,430.72
  4. Step 4: Simplify right side
    117,552.60x = 8,363,346,921.10
  5. Step 5: Solve for x
    x = 8,363,346,921.10/117,552.60
  6. Step 6: Final answer
    x = 71,145.57

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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.