Home / 85,368.12-117,814.68-47,648.04

Finding the Fourth Proportional to 85,368.12, 117,814.68 and 47,648.04

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Solution

The fourth proportional to 85,368.12, 117,814.68 and 47,648.04 is: 65,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,368.12 : 117,814.68 = 47,648.04 : x
  2. Step 2: Convert to fraction form
    85,368.12/117,814.68 = 47,648.04/x
  3. Step 3: Cross multiply
    85,368.12x = 117,814.68 × 47,648.04
  4. Step 4: Simplify right side
    85,368.12x = 5,613,638,585.23
  5. Step 5: Solve for x
    x = 5,613,638,585.23/85,368.12
  6. Step 6: Final answer
    x = 65,758.02

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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.