Home / 66,020.95-91,107.18-37,726.63

Finding the Fourth Proportional to 66,020.95, 91,107.18 and 37,726.63

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Solution

The fourth proportional to 66,020.95, 91,107.18 and 37,726.63 is: 52,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.95 : 91,107.18 = 37,726.63 : x
  2. Step 2: Convert to fraction form
    66,020.95/91,107.18 = 37,726.63/x
  3. Step 3: Cross multiply
    66,020.95x = 91,107.18 × 37,726.63
  4. Step 4: Simplify right side
    66,020.95x = 3,437,166,870.20
  5. Step 5: Solve for x
    x = 3,437,166,870.20/66,020.95
  6. Step 6: Final answer
    x = 52,061.76

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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.