Home / 54,332.81-74,981.22-31,668.15

Finding the Fourth Proportional to 54,332.81, 74,981.22 and 31,668.15

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Solution

The fourth proportional to 54,332.81, 74,981.22 and 31,668.15 is: 43,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.81 : 74,981.22 = 31,668.15 : x
  2. Step 2: Convert to fraction form
    54,332.81/74,981.22 = 31,668.15/x
  3. Step 3: Cross multiply
    54,332.81x = 74,981.22 × 31,668.15
  4. Step 4: Simplify right side
    54,332.81x = 2,374,516,522.14
  5. Step 5: Solve for x
    x = 2,374,516,522.14/54,332.81
  6. Step 6: Final answer
    x = 43,703.18

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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.