Home / 71,200.35-98,225.60-42,889.77

Finding the Fourth Proportional to 71,200.35, 98,225.60 and 42,889.77

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Solution

The fourth proportional to 71,200.35, 98,225.60 and 42,889.77 is: 59,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,200.35 : 98,225.60 = 42,889.77 : x
  2. Step 2: Convert to fraction form
    71,200.35/98,225.60 = 42,889.77/x
  3. Step 3: Cross multiply
    71,200.35x = 98,225.60 × 42,889.77
  4. Step 4: Simplify right side
    71,200.35x = 4,212,873,177.66
  5. Step 5: Solve for x
    x = 4,212,873,177.66/71,200.35
  6. Step 6: Final answer
    x = 59,169.28

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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.