Home / 73,029.20-108,899.48-70,427.35

Finding the Fourth Proportional to 73,029.20, 108,899.48 and 70,427.35

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Solution

The fourth proportional to 73,029.20, 108,899.48 and 70,427.35 is: 105,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,029.20 : 108,899.48 = 70,427.35 : x
  2. Step 2: Convert to fraction form
    73,029.20/108,899.48 = 70,427.35/x
  3. Step 3: Cross multiply
    73,029.20x = 108,899.48 × 70,427.35
  4. Step 4: Simplify right side
    73,029.20x = 7,669,501,792.78
  5. Step 5: Solve for x
    x = 7,669,501,792.78/73,029.20
  6. Step 6: Final answer
    x = 105,019.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.