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Finding the Fourth Proportional to 88,831.40, 133,074.30 and 53,666.60

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Solution

The fourth proportional to 88,831.40, 133,074.30 and 53,666.60 is: 80,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,831.40 : 133,074.30 = 53,666.60 : x
  2. Step 2: Convert to fraction form
    88,831.40/133,074.30 = 53,666.60/x
  3. Step 3: Cross multiply
    88,831.40x = 133,074.30 × 53,666.60
  4. Step 4: Simplify right side
    88,831.40x = 7,141,645,228.38
  5. Step 5: Solve for x
    x = 7,141,645,228.38/88,831.40
  6. Step 6: Final answer
    x = 80,395.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.