Home / 85,834.13-118,452.53-47,595.29

Finding the Fourth Proportional to 85,834.13, 118,452.53 and 47,595.29

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Solution

The fourth proportional to 85,834.13, 118,452.53 and 47,595.29 is: 65,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834.13 : 118,452.53 = 47,595.29 : x
  2. Step 2: Convert to fraction form
    85,834.13/118,452.53 = 47,595.29/x
  3. Step 3: Cross multiply
    85,834.13x = 118,452.53 × 47,595.29
  4. Step 4: Simplify right side
    85,834.13x = 5,637,781,686.34
  5. Step 5: Solve for x
    x = 5,637,781,686.34/85,834.13
  6. Step 6: Final answer
    x = 65,682.29

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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.