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Finding the Fourth Proportional to 72,856.77, 109,303.38 and 22,934.85

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Solution

The fourth proportional to 72,856.77, 109,303.38 and 22,934.85 is: 34,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,856.77 : 109,303.38 = 22,934.85 : x
  2. Step 2: Convert to fraction form
    72,856.77/109,303.38 = 22,934.85/x
  3. Step 3: Cross multiply
    72,856.77x = 109,303.38 × 22,934.85
  4. Step 4: Simplify right side
    72,856.77x = 2,506,856,624.79
  5. Step 5: Solve for x
    x = 2,506,856,624.79/72,856.77
  6. Step 6: Final answer
    x = 34,408.01

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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.