Home / 88,118.11-121,599.70-47,831.01

Finding the Fourth Proportional to 88,118.11, 121,599.70 and 47,831.01

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Solution

The fourth proportional to 88,118.11, 121,599.70 and 47,831.01 is: 66,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,118.11 : 121,599.70 = 47,831.01 : x
  2. Step 2: Convert to fraction form
    88,118.11/121,599.70 = 47,831.01/x
  3. Step 3: Cross multiply
    88,118.11x = 121,599.70 × 47,831.01
  4. Step 4: Simplify right side
    88,118.11x = 5,816,235,891.12
  5. Step 5: Solve for x
    x = 5,816,235,891.12/88,118.11
  6. Step 6: Final answer
    x = 66,005.00

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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.