Home / 58,195.05-80,238.72-45,278.08

Finding the Fourth Proportional to 58,195.05, 80,238.72 and 45,278.08

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Solution

The fourth proportional to 58,195.05, 80,238.72 and 45,278.08 is: 62,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,195.05 : 80,238.72 = 45,278.08 : x
  2. Step 2: Convert to fraction form
    58,195.05/80,238.72 = 45,278.08/x
  3. Step 3: Cross multiply
    58,195.05x = 80,238.72 × 45,278.08
  4. Step 4: Simplify right side
    58,195.05x = 3,633,054,555.67
  5. Step 5: Solve for x
    x = 3,633,054,555.67/58,195.05
  6. Step 6: Final answer
    x = 62,428.93

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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.