Home / 79,557.74-109,762.35-49,332.18

Finding the Fourth Proportional to 79,557.74, 109,762.35 and 49,332.18

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Solution

The fourth proportional to 79,557.74, 109,762.35 and 49,332.18 is: 68,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,557.74 : 109,762.35 = 49,332.18 : x
  2. Step 2: Convert to fraction form
    79,557.74/109,762.35 = 49,332.18/x
  3. Step 3: Cross multiply
    79,557.74x = 109,762.35 × 49,332.18
  4. Step 4: Simplify right side
    79,557.74x = 5,414,816,007.42
  5. Step 5: Solve for x
    x = 5,414,816,007.42/79,557.74
  6. Step 6: Final answer
    x = 68,061.47

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1.5x scale

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.