Home / 71,331.03-98,437.48-43,031.25

Finding the Fourth Proportional to 71,331.03, 98,437.48 and 43,031.25

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Solution

The fourth proportional to 71,331.03, 98,437.48 and 43,031.25 is: 59,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.03 : 98,437.48 = 43,031.25 : x
  2. Step 2: Convert to fraction form
    71,331.03/98,437.48 = 43,031.25/x
  3. Step 3: Cross multiply
    71,331.03x = 98,437.48 × 43,031.25
  4. Step 4: Simplify right side
    71,331.03x = 4,235,887,703.67
  5. Step 5: Solve for x
    x = 4,235,887,703.67/71,331.03
  6. Step 6: Final answer
    x = 59,383.52

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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.