Home / 75,765.04-104,512.95-47,421.52

Finding the Fourth Proportional to 75,765.04, 104,512.95 and 47,421.52

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Solution

The fourth proportional to 75,765.04, 104,512.95 and 47,421.52 is: 65,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.04 : 104,512.95 = 47,421.52 : x
  2. Step 2: Convert to fraction form
    75,765.04/104,512.95 = 47,421.52/x
  3. Step 3: Cross multiply
    75,765.04x = 104,512.95 × 47,421.52
  4. Step 4: Simplify right side
    75,765.04x = 4,956,162,687.40
  5. Step 5: Solve for x
    x = 4,956,162,687.40/75,765.04
  6. Step 6: Final answer
    x = 65,414.90

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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.