Home / 66,158.13-91,291.63-37,472.06

Finding the Fourth Proportional to 66,158.13, 91,291.63 and 37,472.06

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Solution

The fourth proportional to 66,158.13, 91,291.63 and 37,472.06 is: 51,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.13 : 91,291.63 = 37,472.06 : x
  2. Step 2: Convert to fraction form
    66,158.13/91,291.63 = 37,472.06/x
  3. Step 3: Cross multiply
    66,158.13x = 91,291.63 × 37,472.06
  4. Step 4: Simplify right side
    66,158.13x = 3,420,885,436.86
  5. Step 5: Solve for x
    x = 3,420,885,436.86/66,158.13
  6. Step 6: Final answer
    x = 51,707.71

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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.