Home / 105,591.17-145,719.44-57,844.50

Finding the Fourth Proportional to 105,591.17, 145,719.44 and 57,844.50

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Solution

The fourth proportional to 105,591.17, 145,719.44 and 57,844.50 is: 79,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,591.17 : 145,719.44 = 57,844.50 : x
  2. Step 2: Convert to fraction form
    105,591.17/145,719.44 = 57,844.50/x
  3. Step 3: Cross multiply
    105,591.17x = 145,719.44 × 57,844.50
  4. Step 4: Simplify right side
    105,591.17x = 8,429,068,147.08
  5. Step 5: Solve for x
    x = 8,429,068,147.08/105,591.17
  6. Step 6: Final answer
    x = 79,827.40

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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.