Home / 86,667.30-130,037.40-47,252.70

Finding the Fourth Proportional to 86,667.30, 130,037.40 and 47,252.70

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Solution

The fourth proportional to 86,667.30, 130,037.40 and 47,252.70 is: 70,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,667.30 : 130,037.40 = 47,252.70 : x
  2. Step 2: Convert to fraction form
    86,667.30/130,037.40 = 47,252.70/x
  3. Step 3: Cross multiply
    86,667.30x = 130,037.40 × 47,252.70
  4. Step 4: Simplify right side
    86,667.30x = 6,144,618,250.98
  5. Step 5: Solve for x
    x = 6,144,618,250.98/86,667.30
  6. Step 6: Final answer
    x = 70,898.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.