Home / 70,120.08-96,764.76-38,290.32

Finding the Fourth Proportional to 70,120.08, 96,764.76 and 38,290.32

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Solution

The fourth proportional to 70,120.08, 96,764.76 and 38,290.32 is: 52,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120.08 : 96,764.76 = 38,290.32 : x
  2. Step 2: Convert to fraction form
    70,120.08/96,764.76 = 38,290.32/x
  3. Step 3: Cross multiply
    70,120.08x = 96,764.76 × 38,290.32
  4. Step 4: Simplify right side
    70,120.08x = 3,705,153,625.12
  5. Step 5: Solve for x
    x = 3,705,153,625.12/70,120.08
  6. Step 6: Final answer
    x = 52,840.12

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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.