Home / 70,309.10-97,026.72-38,480.05

Finding the Fourth Proportional to 70,309.10, 97,026.72 and 38,480.05

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Solution

The fourth proportional to 70,309.10, 97,026.72 and 38,480.05 is: 53,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,309.10 : 97,026.72 = 38,480.05 : x
  2. Step 2: Convert to fraction form
    70,309.10/97,026.72 = 38,480.05/x
  3. Step 3: Cross multiply
    70,309.10x = 97,026.72 × 38,480.05
  4. Step 4: Simplify right side
    70,309.10x = 3,733,593,036.94
  5. Step 5: Solve for x
    x = 3,733,593,036.94/70,309.10
  6. Step 6: Final answer
    x = 53,102.56

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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.