Home / 66,134.34-91,260.68-37,445.76

Finding the Fourth Proportional to 66,134.34, 91,260.68 and 37,445.76

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Solution

The fourth proportional to 66,134.34, 91,260.68 and 37,445.76 is: 51,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.34 : 91,260.68 = 37,445.76 : x
  2. Step 2: Convert to fraction form
    66,134.34/91,260.68 = 37,445.76/x
  3. Step 3: Cross multiply
    66,134.34x = 91,260.68 × 37,445.76
  4. Step 4: Simplify right side
    66,134.34x = 3,417,325,333.49
  5. Step 5: Solve for x
    x = 3,417,325,333.49/66,134.34
  6. Step 6: Final answer
    x = 51,672.48

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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.