Home / 55,185.29-82,319.76-53,340.30

Finding the Fourth Proportional to 55,185.29, 82,319.76 and 53,340.30

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Solution

The fourth proportional to 55,185.29, 82,319.76 and 53,340.30 is: 79,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185.29 : 82,319.76 = 53,340.30 : x
  2. Step 2: Convert to fraction form
    55,185.29/82,319.76 = 53,340.30/x
  3. Step 3: Cross multiply
    55,185.29x = 82,319.76 × 53,340.30
  4. Step 4: Simplify right side
    55,185.29x = 4,390,960,694.33
  5. Step 5: Solve for x
    x = 4,390,960,694.33/55,185.29
  6. Step 6: Final answer
    x = 79,567.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.