Home / 54,332.68-74,981.06-31,668.02

Finding the Fourth Proportional to 54,332.68, 74,981.06 and 31,668.02

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Solution

The fourth proportional to 54,332.68, 74,981.06 and 31,668.02 is: 43,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.68 : 74,981.06 = 31,668.02 : x
  2. Step 2: Convert to fraction form
    54,332.68/74,981.06 = 31,668.02/x
  3. Step 3: Cross multiply
    54,332.68x = 74,981.06 × 31,668.02
  4. Step 4: Simplify right side
    54,332.68x = 2,374,501,707.70
  5. Step 5: Solve for x
    x = 2,374,501,707.70/54,332.68
  6. Step 6: Final answer
    x = 43,703.01

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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.