Home / 83,487.92-115,225.13-51,667.07

Finding the Fourth Proportional to 83,487.92, 115,225.13 and 51,667.07

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Solution

The fourth proportional to 83,487.92, 115,225.13 and 51,667.07 is: 71,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.92 : 115,225.13 = 51,667.07 : x
  2. Step 2: Convert to fraction form
    83,487.92/115,225.13 = 51,667.07/x
  3. Step 3: Cross multiply
    83,487.92x = 115,225.13 × 51,667.07
  4. Step 4: Simplify right side
    83,487.92x = 5,953,344,410.51
  5. Step 5: Solve for x
    x = 5,953,344,410.51/83,487.92
  6. Step 6: Final answer
    x = 71,307.86

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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.