Home / 85,070.10-117,248.40-62,360.85

Finding the Fourth Proportional to 85,070.10, 117,248.40 and 62,360.85

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Solution

The fourth proportional to 85,070.10, 117,248.40 and 62,360.85 is: 85,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.10 : 117,248.40 = 62,360.85 : x
  2. Step 2: Convert to fraction form
    85,070.10/117,248.40 = 62,360.85/x
  3. Step 3: Cross multiply
    85,070.10x = 117,248.40 × 62,360.85
  4. Step 4: Simplify right side
    85,070.10x = 7,311,709,885.14
  5. Step 5: Solve for x
    x = 7,311,709,885.14/85,070.10
  6. Step 6: Final answer
    x = 85,949.23

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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.