Home / 75,424.95-113,185.15-42,166.83

Finding the Fourth Proportional to 75,424.95, 113,185.15 and 42,166.83

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Solution

The fourth proportional to 75,424.95, 113,185.15 and 42,166.83 is: 63,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.95 : 113,185.15 = 42,166.83 : x
  2. Step 2: Convert to fraction form
    75,424.95/113,185.15 = 42,166.83/x
  3. Step 3: Cross multiply
    75,424.95x = 113,185.15 × 42,166.83
  4. Step 4: Simplify right side
    75,424.95x = 4,772,658,581.87
  5. Step 5: Solve for x
    x = 4,772,658,581.87/75,424.95
  6. Step 6: Final answer
    x = 63,276.92

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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.