Home / 80,924.49-121,386.74-34,177.77

Finding the Fourth Proportional to 80,924.49, 121,386.74 and 34,177.77

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Solution

The fourth proportional to 80,924.49, 121,386.74 and 34,177.77 is: 51,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924.49 : 121,386.74 = 34,177.77 : x
  2. Step 2: Convert to fraction form
    80,924.49/121,386.74 = 34,177.77/x
  3. Step 3: Cross multiply
    80,924.49x = 121,386.74 × 34,177.77
  4. Step 4: Simplify right side
    80,924.49x = 4,148,727,909.88
  5. Step 5: Solve for x
    x = 4,148,727,909.88/80,924.49
  6. Step 6: Final answer
    x = 51,266.66

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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.