Home / 76,327.41-105,335.18-42,333.62

Finding the Fourth Proportional to 76,327.41, 105,335.18 and 42,333.62

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Solution

The fourth proportional to 76,327.41, 105,335.18 and 42,333.62 is: 58,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,327.41 : 105,335.18 = 42,333.62 : x
  2. Step 2: Convert to fraction form
    76,327.41/105,335.18 = 42,333.62/x
  3. Step 3: Cross multiply
    76,327.41x = 105,335.18 × 42,333.62
  4. Step 4: Simplify right side
    76,327.41x = 4,459,219,733.80
  5. Step 5: Solve for x
    x = 4,459,219,733.80/76,327.41
  6. Step 6: Final answer
    x = 58,422.26

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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.