Home / 117,719.47-176,690.18-42,911.92

Finding the Fourth Proportional to 117,719.47, 176,690.18 and 42,911.92

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Solution

The fourth proportional to 117,719.47, 176,690.18 and 42,911.92 is: 64,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.47 : 176,690.18 = 42,911.92 : x
  2. Step 2: Convert to fraction form
    117,719.47/176,690.18 = 42,911.92/x
  3. Step 3: Cross multiply
    117,719.47x = 176,690.18 × 42,911.92
  4. Step 4: Simplify right side
    117,719.47x = 7,582,114,868.95
  5. Step 5: Solve for x
    x = 7,582,114,868.95/117,719.47
  6. Step 6: Final answer
    x = 64,408.33

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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.