Home / 88,666.13-122,216.28-59,975.31

Finding the Fourth Proportional to 88,666.13, 122,216.28 and 59,975.31

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Solution

The fourth proportional to 88,666.13, 122,216.28 and 59,975.31 is: 82,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.13 : 122,216.28 = 59,975.31 : x
  2. Step 2: Convert to fraction form
    88,666.13/122,216.28 = 59,975.31/x
  3. Step 3: Cross multiply
    88,666.13x = 122,216.28 × 59,975.31
  4. Step 4: Simplify right side
    88,666.13x = 7,329,959,124.44
  5. Step 5: Solve for x
    x = 7,329,959,124.44/88,666.13
  6. Step 6: Final answer
    x = 82,669.21

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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.