Home / 77,286.16-115,972.30-41,746.76

Finding the Fourth Proportional to 77,286.16, 115,972.30 and 41,746.76

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Solution

The fourth proportional to 77,286.16, 115,972.30 and 41,746.76 is: 62,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,286.16 : 115,972.30 = 41,746.76 : x
  2. Step 2: Convert to fraction form
    77,286.16/115,972.30 = 41,746.76/x
  3. Step 3: Cross multiply
    77,286.16x = 115,972.30 × 41,746.76
  4. Step 4: Simplify right side
    77,286.16x = 4,841,467,774.75
  5. Step 5: Solve for x
    x = 4,841,467,774.75/77,286.16
  6. Step 6: Final answer
    x = 62,643.40

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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.