Home / 53,984.16-74,483.01-31,318.65

Finding the Fourth Proportional to 53,984.16, 74,483.01 and 31,318.65

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Solution

The fourth proportional to 53,984.16, 74,483.01 and 31,318.65 is: 43,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.16 : 74,483.01 = 31,318.65 : x
  2. Step 2: Convert to fraction form
    53,984.16/74,483.01 = 31,318.65/x
  3. Step 3: Cross multiply
    53,984.16x = 74,483.01 × 31,318.65
  4. Step 4: Simplify right side
    53,984.16x = 2,332,707,321.14
  5. Step 5: Solve for x
    x = 2,332,707,321.14/53,984.16
  6. Step 6: Final answer
    x = 43,210.96

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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.