Home / 85,999.24-128,957.14-36,065.93

Finding the Fourth Proportional to 85,999.24, 128,957.14 and 36,065.93

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Solution

The fourth proportional to 85,999.24, 128,957.14 and 36,065.93 is: 54,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,999.24 : 128,957.14 = 36,065.93 : x
  2. Step 2: Convert to fraction form
    85,999.24/128,957.14 = 36,065.93/x
  3. Step 3: Cross multiply
    85,999.24x = 128,957.14 × 36,065.93
  4. Step 4: Simplify right side
    85,999.24x = 4,650,959,571.18
  5. Step 5: Solve for x
    x = 4,650,959,571.18/85,999.24
  6. Step 6: Final answer
    x = 54,081.40

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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.