Home / 66,314.16-91,503.25-38,014.38

Finding the Fourth Proportional to 66,314.16, 91,503.25 and 38,014.38

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Solution

The fourth proportional to 66,314.16, 91,503.25 and 38,014.38 is: 52,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314.16 : 91,503.25 = 38,014.38 : x
  2. Step 2: Convert to fraction form
    66,314.16/91,503.25 = 38,014.38/x
  3. Step 3: Cross multiply
    66,314.16x = 91,503.25 × 38,014.38
  4. Step 4: Simplify right side
    66,314.16x = 3,478,439,316.74
  5. Step 5: Solve for x
    x = 3,478,439,316.74/66,314.16
  6. Step 6: Final answer
    x = 52,453.95

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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.