Home / 66,140.06-91,247.56-37,453.13

Finding the Fourth Proportional to 66,140.06, 91,247.56 and 37,453.13

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Solution

The fourth proportional to 66,140.06, 91,247.56 and 37,453.13 is: 51,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,140.06 : 91,247.56 = 37,453.13 : x
  2. Step 2: Convert to fraction form
    66,140.06/91,247.56 = 37,453.13/x
  3. Step 3: Cross multiply
    66,140.06x = 91,247.56 × 37,453.13
  4. Step 4: Simplify right side
    66,140.06x = 3,417,506,726.86
  5. Step 5: Solve for x
    x = 3,417,506,726.86/66,140.06
  6. Step 6: Final answer
    x = 51,670.75

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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.