Home / 76,552.11-105,641.28-42,560.46

Finding the Fourth Proportional to 76,552.11, 105,641.28 and 42,560.46

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Solution

The fourth proportional to 76,552.11, 105,641.28 and 42,560.46 is: 58,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,552.11 : 105,641.28 = 42,560.46 : x
  2. Step 2: Convert to fraction form
    76,552.11/105,641.28 = 42,560.46/x
  3. Step 3: Cross multiply
    76,552.11x = 105,641.28 × 42,560.46
  4. Step 4: Simplify right side
    76,552.11x = 4,496,141,471.79
  5. Step 5: Solve for x
    x = 4,496,141,471.79/76,552.11
  6. Step 6: Final answer
    x = 58,733.08

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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.