Home / 53,130.75-79,707.12-44,426.49

Finding the Fourth Proportional to 53,130.75, 79,707.12 and 44,426.49

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Solution

The fourth proportional to 53,130.75, 79,707.12 and 44,426.49 is: 66,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.75 : 79,707.12 = 44,426.49 : x
  2. Step 2: Convert to fraction form
    53,130.75/79,707.12 = 44,426.49/x
  3. Step 3: Cross multiply
    53,130.75x = 79,707.12 × 44,426.49
  4. Step 4: Simplify right side
    53,130.75x = 3,541,107,569.61
  5. Step 5: Solve for x
    x = 3,541,107,569.61/53,130.75
  6. Step 6: Final answer
    x = 66,648.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.