Home / 53,531.76-73,871.34-29,332.58

Finding the Fourth Proportional to 53,531.76, 73,871.34 and 29,332.58

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Solution

The fourth proportional to 53,531.76, 73,871.34 and 29,332.58 is: 40,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.76 : 73,871.34 = 29,332.58 : x
  2. Step 2: Convert to fraction form
    53,531.76/73,871.34 = 29,332.58/x
  3. Step 3: Cross multiply
    53,531.76x = 73,871.34 × 29,332.58
  4. Step 4: Simplify right side
    53,531.76x = 2,166,836,990.26
  5. Step 5: Solve for x
    x = 2,166,836,990.26/53,531.76
  6. Step 6: Final answer
    x = 40,477.60

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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.