Home / 72,790.65-109,254.32-37,278.33

Finding the Fourth Proportional to 72,790.65, 109,254.32 and 37,278.33

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Solution

The fourth proportional to 72,790.65, 109,254.32 and 37,278.33 is: 55,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,790.65 : 109,254.32 = 37,278.33 : x
  2. Step 2: Convert to fraction form
    72,790.65/109,254.32 = 37,278.33/x
  3. Step 3: Cross multiply
    72,790.65x = 109,254.32 × 37,278.33
  4. Step 4: Simplify right side
    72,790.65x = 4,072,818,138.58
  5. Step 5: Solve for x
    x = 4,072,818,138.58/72,790.65
  6. Step 6: Final answer
    x = 55,952.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.