Home / 94,719.86-130,712.76-52,278.39

Finding the Fourth Proportional to 94,719.86, 130,712.76 and 52,278.39

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Solution

The fourth proportional to 94,719.86, 130,712.76 and 52,278.39 is: 72,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,719.86 : 130,712.76 = 52,278.39 : x
  2. Step 2: Convert to fraction form
    94,719.86/130,712.76 = 52,278.39/x
  3. Step 3: Cross multiply
    94,719.86x = 130,712.76 × 52,278.39
  4. Step 4: Simplify right side
    94,719.86x = 6,833,453,102.73
  5. Step 5: Solve for x
    x = 6,833,453,102.73/94,719.86
  6. Step 6: Final answer
    x = 72,143.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.