Home / 71,721.14-99,002.93-53,867.93

Finding the Fourth Proportional to 71,721.14, 99,002.93 and 53,867.93

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Solution

The fourth proportional to 71,721.14, 99,002.93 and 53,867.93 is: 74,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721.14 : 99,002.93 = 53,867.93 : x
  2. Step 2: Convert to fraction form
    71,721.14/99,002.93 = 53,867.93/x
  3. Step 3: Cross multiply
    71,721.14x = 99,002.93 × 53,867.93
  4. Step 4: Simplify right side
    71,721.14x = 5,333,082,138.68
  5. Step 5: Solve for x
    x = 5,333,082,138.68/71,721.14
  6. Step 6: Final answer
    x = 74,358.59

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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.