Home / 66,313.16-91,501.88-38,013.38

Finding the Fourth Proportional to 66,313.16, 91,501.88 and 38,013.38

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Solution

The fourth proportional to 66,313.16, 91,501.88 and 38,013.38 is: 52,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,313.16 : 91,501.88 = 38,013.38 : x
  2. Step 2: Convert to fraction form
    66,313.16/91,501.88 = 38,013.38/x
  3. Step 3: Cross multiply
    66,313.16x = 91,501.88 × 38,013.38
  4. Step 4: Simplify right side
    66,313.16x = 3,478,295,087.58
  5. Step 5: Solve for x
    x = 3,478,295,087.58/66,313.16
  6. Step 6: Final answer
    x = 52,452.57

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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.