Home / 85,532.15-128,199.66-46,006.18

Finding the Fourth Proportional to 85,532.15, 128,199.66 and 46,006.18

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Solution

The fourth proportional to 85,532.15, 128,199.66 and 46,006.18 is: 68,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.15 : 128,199.66 = 46,006.18 : x
  2. Step 2: Convert to fraction form
    85,532.15/128,199.66 = 46,006.18/x
  3. Step 3: Cross multiply
    85,532.15x = 128,199.66 × 46,006.18
  4. Step 4: Simplify right side
    85,532.15x = 5,897,976,399.66
  5. Step 5: Solve for x
    x = 5,897,976,399.66/85,532.15
  6. Step 6: Final answer
    x = 68,956.25

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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.