Home / 85,738.06-118,349.55-69,794.83

Finding the Fourth Proportional to 85,738.06, 118,349.55 and 69,794.83

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Solution

The fourth proportional to 85,738.06, 118,349.55 and 69,794.83 is: 96,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.06 : 118,349.55 = 69,794.83 : x
  2. Step 2: Convert to fraction form
    85,738.06/118,349.55 = 69,794.83/x
  3. Step 3: Cross multiply
    85,738.06x = 118,349.55 × 69,794.83
  4. Step 4: Simplify right side
    85,738.06x = 8,260,186,722.83
  5. Step 5: Solve for x
    x = 8,260,186,722.83/85,738.06
  6. Step 6: Final answer
    x = 96,342.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.