Home / 71,177.00-98,222.90-39,345.21

Finding the Fourth Proportional to 71,177.00, 98,222.90 and 39,345.21

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Solution

The fourth proportional to 71,177.00, 98,222.90 and 39,345.21 is: 54,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,177.00 : 98,222.90 = 39,345.21 : x
  2. Step 2: Convert to fraction form
    71,177.00/98,222.90 = 39,345.21/x
  3. Step 3: Cross multiply
    71,177.00x = 98,222.90 × 39,345.21
  4. Step 4: Simplify right side
    71,177.00x = 3,864,600,430.58
  5. Step 5: Solve for x
    x = 3,864,600,430.58/71,177.00
  6. Step 6: Final answer
    x = 54,295.64

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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.