Home / 66,931.66-92,366.40-36,717.04

Finding the Fourth Proportional to 66,931.66, 92,366.40 and 36,717.04

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Solution

The fourth proportional to 66,931.66, 92,366.40 and 36,717.04 is: 50,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,931.66 : 92,366.40 = 36,717.04 : x
  2. Step 2: Convert to fraction form
    66,931.66/92,366.40 = 36,717.04/x
  3. Step 3: Cross multiply
    66,931.66x = 92,366.40 × 36,717.04
  4. Step 4: Simplify right side
    66,931.66x = 3,391,420,803.46
  5. Step 5: Solve for x
    x = 3,391,420,803.46/66,931.66
  6. Step 6: Final answer
    x = 50,669.90

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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.