Home / 66,484.80-92,223.36-64,247.04

Finding the Fourth Proportional to 66,484.80, 92,223.36 and 64,247.04

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Solution

The fourth proportional to 66,484.80, 92,223.36 and 64,247.04 is: 89,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.80 : 92,223.36 = 64,247.04 : x
  2. Step 2: Convert to fraction form
    66,484.80/92,223.36 = 64,247.04/x
  3. Step 3: Cross multiply
    66,484.80x = 92,223.36 × 64,247.04
  4. Step 4: Simplify right side
    66,484.80x = 5,925,077,898.85
  5. Step 5: Solve for x
    x = 5,925,077,898.85/66,484.80
  6. Step 6: Final answer
    x = 89,119.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.