Home / 85,913.43-118,561.17-47,673.13

Finding the Fourth Proportional to 85,913.43, 118,561.17 and 47,673.13

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Solution

The fourth proportional to 85,913.43, 118,561.17 and 47,673.13 is: 65,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,913.43 : 118,561.17 = 47,673.13 : x
  2. Step 2: Convert to fraction form
    85,913.43/118,561.17 = 47,673.13/x
  3. Step 3: Cross multiply
    85,913.43x = 118,561.17 × 47,673.13
  4. Step 4: Simplify right side
    85,913.43x = 5,652,182,070.36
  5. Step 5: Solve for x
    x = 5,652,182,070.36/85,913.43
  6. Step 6: Final answer
    x = 65,789.27

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1.5x scale

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.