Home / 94,429.76-141,345.12-52,750.40

Finding the Fourth Proportional to 94,429.76, 141,345.12 and 52,750.40

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Solution

The fourth proportional to 94,429.76, 141,345.12 and 52,750.40 is: 78,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,429.76 : 141,345.12 = 52,750.40 : x
  2. Step 2: Convert to fraction form
    94,429.76/141,345.12 = 52,750.40/x
  3. Step 3: Cross multiply
    94,429.76x = 141,345.12 × 52,750.40
  4. Step 4: Simplify right side
    94,429.76x = 7,456,011,618.05
  5. Step 5: Solve for x
    x = 7,456,011,618.05/94,429.76
  6. Step 6: Final answer
    x = 78,958.28

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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.