Home / 85,339.04-117,713.05-51,805.04

Finding the Fourth Proportional to 85,339.04, 117,713.05 and 51,805.04

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Solution

The fourth proportional to 85,339.04, 117,713.05 and 51,805.04 is: 71,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339.04 : 117,713.05 = 51,805.04 : x
  2. Step 2: Convert to fraction form
    85,339.04/117,713.05 = 51,805.04/x
  3. Step 3: Cross multiply
    85,339.04x = 117,713.05 × 51,805.04
  4. Step 4: Simplify right side
    85,339.04x = 6,098,128,545.69
  5. Step 5: Solve for x
    x = 6,098,128,545.69/85,339.04
  6. Step 6: Final answer
    x = 71,457.67

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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.