Home / 85,498.03-128,247.50-23,168.53

Finding the Fourth Proportional to 85,498.03, 128,247.50 and 23,168.53

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Solution

The fourth proportional to 85,498.03, 128,247.50 and 23,168.53 is: 34,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,498.03 : 128,247.50 = 23,168.53 : x
  2. Step 2: Convert to fraction form
    85,498.03/128,247.50 = 23,168.53/x
  3. Step 3: Cross multiply
    85,498.03x = 128,247.50 × 23,168.53
  4. Step 4: Simplify right side
    85,498.03x = 2,971,306,269.41
  5. Step 5: Solve for x
    x = 2,971,306,269.41/85,498.03
  6. Step 6: Final answer
    x = 34,752.92

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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.