Home / 85,869.17-118,493.52-47,625.11

Finding the Fourth Proportional to 85,869.17, 118,493.52 and 47,625.11

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Solution

The fourth proportional to 85,869.17, 118,493.52 and 47,625.11 is: 65,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,869.17 : 118,493.52 = 47,625.11 : x
  2. Step 2: Convert to fraction form
    85,869.17/118,493.52 = 47,625.11/x
  3. Step 3: Cross multiply
    85,869.17x = 118,493.52 × 47,625.11
  4. Step 4: Simplify right side
    85,869.17x = 5,643,266,924.29
  5. Step 5: Solve for x
    x = 5,643,266,924.29/85,869.17
  6. Step 6: Final answer
    x = 65,719.36

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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.