Home / 66,741.66-92,124-38,466.18

Finding the Fourth Proportional to 66,741.66, 92,124 and 38,466.18

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Solution

The fourth proportional to 66,741.66, 92,124 and 38,466.18 is: 53,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.66 : 92,124 = 38,466.18 : x
  2. Step 2: Convert to fraction form
    66,741.66/92,124 = 38,466.18/x
  3. Step 3: Cross multiply
    66,741.66x = 92,124 × 38,466.18
  4. Step 4: Simplify right side
    66,741.66x = 3,543,658,366.32
  5. Step 5: Solve for x
    x = 3,543,658,366.32/66,741.66
  6. Step 6: Final answer
    x = 53,095.15

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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.