Home / 71,040.04-98,036.73-39,208.86

Finding the Fourth Proportional to 71,040.04, 98,036.73 and 39,208.86

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Solution

The fourth proportional to 71,040.04, 98,036.73 and 39,208.86 is: 54,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.04 : 98,036.73 = 39,208.86 : x
  2. Step 2: Convert to fraction form
    71,040.04/98,036.73 = 39,208.86/x
  3. Step 3: Cross multiply
    71,040.04x = 98,036.73 × 39,208.86
  4. Step 4: Simplify right side
    71,040.04x = 3,843,908,421.43
  5. Step 5: Solve for x
    x = 3,843,908,421.43/71,040.04
  6. Step 6: Final answer
    x = 54,109.04

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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.