Home / 75,070.10-103,607.70-43,232.78

Finding the Fourth Proportional to 75,070.10, 103,607.70 and 43,232.78

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Solution

The fourth proportional to 75,070.10, 103,607.70 and 43,232.78 is: 59,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.10 : 103,607.70 = 43,232.78 : x
  2. Step 2: Convert to fraction form
    75,070.10/103,607.70 = 43,232.78/x
  3. Step 3: Cross multiply
    75,070.10x = 103,607.70 × 43,232.78
  4. Step 4: Simplify right side
    75,070.10x = 4,479,248,900.41
  5. Step 5: Solve for x
    x = 4,479,248,900.41/75,070.10
  6. Step 6: Final answer
    x = 59,667.55

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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.