Home / 85,353.14-128,048.85-26,194.79

Finding the Fourth Proportional to 85,353.14, 128,048.85 and 26,194.79

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Solution

The fourth proportional to 85,353.14, 128,048.85 and 26,194.79 is: 39,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,353.14 : 128,048.85 = 26,194.79 : x
  2. Step 2: Convert to fraction form
    85,353.14/128,048.85 = 26,194.79/x
  3. Step 3: Cross multiply
    85,353.14x = 128,048.85 × 26,194.79
  4. Step 4: Simplify right side
    85,353.14x = 3,354,213,055.61
  5. Step 5: Solve for x
    x = 3,354,213,055.61/85,353.14
  6. Step 6: Final answer
    x = 39,298.06

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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.