Home / 66,895.16-92,314.55-38,600.24

Finding the Fourth Proportional to 66,895.16, 92,314.55 and 38,600.24

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Solution

The fourth proportional to 66,895.16, 92,314.55 and 38,600.24 is: 53,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.16 : 92,314.55 = 38,600.24 : x
  2. Step 2: Convert to fraction form
    66,895.16/92,314.55 = 38,600.24/x
  3. Step 3: Cross multiply
    66,895.16x = 92,314.55 × 38,600.24
  4. Step 4: Simplify right side
    66,895.16x = 3,563,363,420.42
  5. Step 5: Solve for x
    x = 3,563,363,420.42/66,895.16
  6. Step 6: Final answer
    x = 53,267.88

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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.