Home / 75,423.42-112,570.77-74,177.94

Finding the Fourth Proportional to 75,423.42, 112,570.77 and 74,177.94

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Solution

The fourth proportional to 75,423.42, 112,570.77 and 74,177.94 is: 110,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.42 : 112,570.77 = 74,177.94 : x
  2. Step 2: Convert to fraction form
    75,423.42/112,570.77 = 74,177.94/x
  3. Step 3: Cross multiply
    75,423.42x = 112,570.77 × 74,177.94
  4. Step 4: Simplify right side
    75,423.42x = 8,350,267,822.81
  5. Step 5: Solve for x
    x = 8,350,267,822.81/75,423.42
  6. Step 6: Final answer
    x = 110,711.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.