Home / 70,380.51-97,125.11-38,550.55

Finding the Fourth Proportional to 70,380.51, 97,125.11 and 38,550.55

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Solution

The fourth proportional to 70,380.51, 97,125.11 and 38,550.55 is: 53,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.51 : 97,125.11 = 38,550.55 : x
  2. Step 2: Convert to fraction form
    70,380.51/97,125.11 = 38,550.55/x
  3. Step 3: Cross multiply
    70,380.51x = 97,125.11 × 38,550.55
  4. Step 4: Simplify right side
    70,380.51x = 3,744,226,409.31
  5. Step 5: Solve for x
    x = 3,744,226,409.31/70,380.51
  6. Step 6: Final answer
    x = 53,199.76

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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.