Home / 75,509.18-113,248.65-71,762.30

Finding the Fourth Proportional to 75,509.18, 113,248.65 and 71,762.30

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Solution

The fourth proportional to 75,509.18, 113,248.65 and 71,762.30 is: 107,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.18 : 113,248.65 = 71,762.30 : x
  2. Step 2: Convert to fraction form
    75,509.18/113,248.65 = 71,762.30/x
  3. Step 3: Cross multiply
    75,509.18x = 113,248.65 × 71,762.30
  4. Step 4: Simplify right side
    75,509.18x = 8,126,983,595.90
  5. Step 5: Solve for x
    x = 8,126,983,595.90/75,509.18
  6. Step 6: Final answer
    x = 107,629.08

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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.