Home / 53,986.47-74,500.83-29,787.66

Finding the Fourth Proportional to 53,986.47, 74,500.83 and 29,787.66

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Solution

The fourth proportional to 53,986.47, 74,500.83 and 29,787.66 is: 41,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.47 : 74,500.83 = 29,787.66 : x
  2. Step 2: Convert to fraction form
    53,986.47/74,500.83 = 29,787.66/x
  3. Step 3: Cross multiply
    53,986.47x = 74,500.83 × 29,787.66
  4. Step 4: Simplify right side
    53,986.47x = 2,219,205,393.76
  5. Step 5: Solve for x
    x = 2,219,205,393.76/53,986.47
  6. Step 6: Final answer
    x = 41,106.70

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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.