Home / 86,311.24-129,306.48-46,901.50

Finding the Fourth Proportional to 86,311.24, 129,306.48 and 46,901.50

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Solution

The fourth proportional to 86,311.24, 129,306.48 and 46,901.50 is: 70,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,311.24 : 129,306.48 = 46,901.50 : x
  2. Step 2: Convert to fraction form
    86,311.24/129,306.48 = 46,901.50/x
  3. Step 3: Cross multiply
    86,311.24x = 129,306.48 × 46,901.50
  4. Step 4: Simplify right side
    86,311.24x = 6,064,667,372.57
  5. Step 5: Solve for x
    x = 6,064,667,372.57/86,311.24
  6. Step 6: Final answer
    x = 70,265.10

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1.5x scale

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.