Home / 76,254.92-105,229.07-42,266.57

Finding the Fourth Proportional to 76,254.92, 105,229.07 and 42,266.57

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Solution

The fourth proportional to 76,254.92, 105,229.07 and 42,266.57 is: 58,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.92 : 105,229.07 = 42,266.57 : x
  2. Step 2: Convert to fraction form
    76,254.92/105,229.07 = 42,266.57/x
  3. Step 3: Cross multiply
    76,254.92x = 105,229.07 × 42,266.57
  4. Step 4: Simplify right side
    76,254.92x = 4,447,671,432.71
  5. Step 5: Solve for x
    x = 4,447,671,432.71/76,254.92
  6. Step 6: Final answer
    x = 58,326.36

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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.