Home / 65,531.94-90,434.11-37,237.63

Finding the Fourth Proportional to 65,531.94, 90,434.11 and 37,237.63

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Solution

The fourth proportional to 65,531.94, 90,434.11 and 37,237.63 is: 51,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.94 : 90,434.11 = 37,237.63 : x
  2. Step 2: Convert to fraction form
    65,531.94/90,434.11 = 37,237.63/x
  3. Step 3: Cross multiply
    65,531.94x = 90,434.11 × 37,237.63
  4. Step 4: Simplify right side
    65,531.94x = 3,367,551,927.56
  5. Step 5: Solve for x
    x = 3,367,551,927.56/65,531.94
  6. Step 6: Final answer
    x = 51,387.95

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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.