Home / 66,460.66-91,721.18-37,789.34

Finding the Fourth Proportional to 66,460.66, 91,721.18 and 37,789.34

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Solution

The fourth proportional to 66,460.66, 91,721.18 and 37,789.34 is: 52,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.66 : 91,721.18 = 37,789.34 : x
  2. Step 2: Convert to fraction form
    66,460.66/91,721.18 = 37,789.34/x
  3. Step 3: Cross multiply
    66,460.66x = 91,721.18 × 37,789.34
  4. Step 4: Simplify right side
    66,460.66x = 3,466,082,492.09
  5. Step 5: Solve for x
    x = 3,466,082,492.09/66,460.66
  6. Step 6: Final answer
    x = 52,152.40

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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.