Home / 75,864.70-113,890.65-47,784.70

Finding the Fourth Proportional to 75,864.70, 113,890.65 and 47,784.70

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Solution

The fourth proportional to 75,864.70, 113,890.65 and 47,784.70 is: 71,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.70 : 113,890.65 = 47,784.70 : x
  2. Step 2: Convert to fraction form
    75,864.70/113,890.65 = 47,784.70/x
  3. Step 3: Cross multiply
    75,864.70x = 113,890.65 × 47,784.70
  4. Step 4: Simplify right side
    75,864.70x = 5,442,230,543.06
  5. Step 5: Solve for x
    x = 5,442,230,543.06/75,864.70
  6. Step 6: Final answer
    x = 71,736.01

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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.