Home / 75,123.85-112,522.02-37,618.51

Finding the Fourth Proportional to 75,123.85, 112,522.02 and 37,618.51

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Solution

The fourth proportional to 75,123.85, 112,522.02 and 37,618.51 is: 56,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.85 : 112,522.02 = 37,618.51 : x
  2. Step 2: Convert to fraction form
    75,123.85/112,522.02 = 37,618.51/x
  3. Step 3: Cross multiply
    75,123.85x = 112,522.02 × 37,618.51
  4. Step 4: Simplify right side
    75,123.85x = 4,232,910,734.59
  5. Step 5: Solve for x
    x = 4,232,910,734.59/75,123.85
  6. Step 6: Final answer
    x = 56,345.76

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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.