Home / 75,326.08-113,026.20-53,281.12

Finding the Fourth Proportional to 75,326.08, 113,026.20 and 53,281.12

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Solution

The fourth proportional to 75,326.08, 113,026.20 and 53,281.12 is: 79,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.08 : 113,026.20 = 53,281.12 : x
  2. Step 2: Convert to fraction form
    75,326.08/113,026.20 = 53,281.12/x
  3. Step 3: Cross multiply
    75,326.08x = 113,026.20 × 53,281.12
  4. Step 4: Simplify right side
    75,326.08x = 6,022,162,525.34
  5. Step 5: Solve for x
    x = 6,022,162,525.34/75,326.08
  6. Step 6: Final answer
    x = 79,947.91

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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.