Home / 83,369.30-115,038.91-47,557.17

Finding the Fourth Proportional to 83,369.30, 115,038.91 and 47,557.17

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Solution

The fourth proportional to 83,369.30, 115,038.91 and 47,557.17 is: 65,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,369.30 : 115,038.91 = 47,557.17 : x
  2. Step 2: Convert to fraction form
    83,369.30/115,038.91 = 47,557.17/x
  3. Step 3: Cross multiply
    83,369.30x = 115,038.91 × 47,557.17
  4. Step 4: Simplify right side
    83,369.30x = 5,470,924,880.59
  5. Step 5: Solve for x
    x = 5,470,924,880.59/83,369.30
  6. Step 6: Final answer
    x = 65,622.78

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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.