Home / 77,666.20-116,585.70-48,117.40

Finding the Fourth Proportional to 77,666.20, 116,585.70 and 48,117.40

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Solution

The fourth proportional to 77,666.20, 116,585.70 and 48,117.40 is: 72,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666.20 : 116,585.70 = 48,117.40 : x
  2. Step 2: Convert to fraction form
    77,666.20/116,585.70 = 48,117.40/x
  3. Step 3: Cross multiply
    77,666.20x = 116,585.70 × 48,117.40
  4. Step 4: Simplify right side
    77,666.20x = 5,609,800,761.18
  5. Step 5: Solve for x
    x = 5,609,800,761.18/77,666.20
  6. Step 6: Final answer
    x = 72,229.63

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1.5x scale

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.