Home / 88,990.22-122,804.02-52,693.49

Finding the Fourth Proportional to 88,990.22, 122,804.02 and 52,693.49

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Solution

The fourth proportional to 88,990.22, 122,804.02 and 52,693.49 is: 72,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.22 : 122,804.02 = 52,693.49 : x
  2. Step 2: Convert to fraction form
    88,990.22/122,804.02 = 52,693.49/x
  3. Step 3: Cross multiply
    88,990.22x = 122,804.02 × 52,693.49
  4. Step 4: Simplify right side
    88,990.22x = 6,470,972,399.83
  5. Step 5: Solve for x
    x = 6,470,972,399.83/88,990.22
  6. Step 6: Final answer
    x = 72,715.55

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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.