Home / 70,346.16-97,073.82-38,508.90

Finding the Fourth Proportional to 70,346.16, 97,073.82 and 38,508.90

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Solution

The fourth proportional to 70,346.16, 97,073.82 and 38,508.90 is: 53,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.16 : 97,073.82 = 38,508.90 : x
  2. Step 2: Convert to fraction form
    70,346.16/97,073.82 = 38,508.90/x
  3. Step 3: Cross multiply
    70,346.16x = 97,073.82 × 38,508.90
  4. Step 4: Simplify right side
    70,346.16x = 3,738,206,027.00
  5. Step 5: Solve for x
    x = 3,738,206,027.00/70,346.16
  6. Step 6: Final answer
    x = 53,140.16

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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.