Home / 94,719.61-130,712.43-52,278.14

Finding the Fourth Proportional to 94,719.61, 130,712.43 and 52,278.14

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Solution

The fourth proportional to 94,719.61, 130,712.43 and 52,278.14 is: 72,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,719.61 : 130,712.43 = 52,278.14 : x
  2. Step 2: Convert to fraction form
    94,719.61/130,712.43 = 52,278.14/x
  3. Step 3: Cross multiply
    94,719.61x = 130,712.43 × 52,278.14
  4. Step 4: Simplify right side
    94,719.61x = 6,833,403,238.10
  5. Step 5: Solve for x
    x = 6,833,403,238.10/94,719.61
  6. Step 6: Final answer
    x = 72,143.49

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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.