Home / 65,436.16-90,211.20-44,181.76

Finding the Fourth Proportional to 65,436.16, 90,211.20 and 44,181.76

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Solution

The fourth proportional to 65,436.16, 90,211.20 and 44,181.76 is: 60,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,436.16 : 90,211.20 = 44,181.76 : x
  2. Step 2: Convert to fraction form
    65,436.16/90,211.20 = 44,181.76/x
  3. Step 3: Cross multiply
    65,436.16x = 90,211.20 × 44,181.76
  4. Step 4: Simplify right side
    65,436.16x = 3,985,689,587.71
  5. Step 5: Solve for x
    x = 3,985,689,587.71/65,436.16
  6. Step 6: Final answer
    x = 60,909.59

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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.