Home / 85,091.18-117,423.87-53,277.62

Finding the Fourth Proportional to 85,091.18, 117,423.87 and 53,277.62

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Solution

The fourth proportional to 85,091.18, 117,423.87 and 53,277.62 is: 73,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.18 : 117,423.87 = 53,277.62 : x
  2. Step 2: Convert to fraction form
    85,091.18/117,423.87 = 53,277.62/x
  3. Step 3: Cross multiply
    85,091.18x = 117,423.87 × 53,277.62
  4. Step 4: Simplify right side
    85,091.18x = 6,256,064,324.79
  5. Step 5: Solve for x
    x = 6,256,064,324.79/85,091.18
  6. Step 6: Final answer
    x = 73,521.89

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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.