Home / 71,027.50-98,017.86-39,196.40

Finding the Fourth Proportional to 71,027.50, 98,017.86 and 39,196.40

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Solution

The fourth proportional to 71,027.50, 98,017.86 and 39,196.40 is: 54,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.50 : 98,017.86 = 39,196.40 : x
  2. Step 2: Convert to fraction form
    71,027.50/98,017.86 = 39,196.40/x
  3. Step 3: Cross multiply
    71,027.50x = 98,017.86 × 39,196.40
  4. Step 4: Simplify right side
    71,027.50x = 3,841,947,247.70
  5. Step 5: Solve for x
    x = 3,841,947,247.70/71,027.50
  6. Step 6: Final answer
    x = 54,090.98

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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.