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Finding the Fourth Proportional to 88,705.40, 133,058.10 and 42,049.40

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Solution

The fourth proportional to 88,705.40, 133,058.10 and 42,049.40 is: 63,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.40 : 133,058.10 = 42,049.40 : x
  2. Step 2: Convert to fraction form
    88,705.40/133,058.10 = 42,049.40/x
  3. Step 3: Cross multiply
    88,705.40x = 133,058.10 × 42,049.40
  4. Step 4: Simplify right side
    88,705.40x = 5,595,013,270.14
  5. Step 5: Solve for x
    x = 5,595,013,270.14/88,705.40
  6. Step 6: Final answer
    x = 63,074.10

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