Home / 88,389.99-121,836.56-59,700.66

Finding the Fourth Proportional to 88,389.99, 121,836.56 and 59,700.66

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Solution

The fourth proportional to 88,389.99, 121,836.56 and 59,700.66 is: 82,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.99 : 121,836.56 = 59,700.66 : x
  2. Step 2: Convert to fraction form
    88,389.99/121,836.56 = 59,700.66/x
  3. Step 3: Cross multiply
    88,389.99x = 121,836.56 × 59,700.66
  4. Step 4: Simplify right side
    88,389.99x = 7,273,722,745.63
  5. Step 5: Solve for x
    x = 7,273,722,745.63/88,389.99
  6. Step 6: Final answer
    x = 82,291.25

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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.