Home / 83,931.99-115,828.04-47,635.83

Finding the Fourth Proportional to 83,931.99, 115,828.04 and 47,635.83

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Solution

The fourth proportional to 83,931.99, 115,828.04 and 47,635.83 is: 65,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.99 : 115,828.04 = 47,635.83 : x
  2. Step 2: Convert to fraction form
    83,931.99/115,828.04 = 47,635.83/x
  3. Step 3: Cross multiply
    83,931.99x = 115,828.04 × 47,635.83
  4. Step 4: Simplify right side
    83,931.99x = 5,517,564,822.67
  5. Step 5: Solve for x
    x = 5,517,564,822.67/83,931.99
  6. Step 6: Final answer
    x = 65,738.52

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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.