Home / 75,687.23-113,327.81-42,312.24

Finding the Fourth Proportional to 75,687.23, 113,327.81 and 42,312.24

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Solution

The fourth proportional to 75,687.23, 113,327.81 and 42,312.24 is: 63,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,687.23 : 113,327.81 = 42,312.24 : x
  2. Step 2: Convert to fraction form
    75,687.23/113,327.81 = 42,312.24/x
  3. Step 3: Cross multiply
    75,687.23x = 113,327.81 × 42,312.24
  4. Step 4: Simplify right side
    75,687.23x = 4,795,153,442.50
  5. Step 5: Solve for x
    x = 4,795,153,442.50/75,687.23
  6. Step 6: Final answer
    x = 63,354.86

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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.