Home / 66,537.72-91,695.78-47,642.04

Finding the Fourth Proportional to 66,537.72, 91,695.78 and 47,642.04

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Solution

The fourth proportional to 66,537.72, 91,695.78 and 47,642.04 is: 65,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,537.72 : 91,695.78 = 47,642.04 : x
  2. Step 2: Convert to fraction form
    66,537.72/91,695.78 = 47,642.04/x
  3. Step 3: Cross multiply
    66,537.72x = 91,695.78 × 47,642.04
  4. Step 4: Simplify right side
    66,537.72x = 4,368,574,018.59
  5. Step 5: Solve for x
    x = 4,368,574,018.59/66,537.72
  6. Step 6: Final answer
    x = 65,655.60

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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.