Home / 78,113.06-107,795.45-42,302.24

Finding the Fourth Proportional to 78,113.06, 107,795.45 and 42,302.24

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Solution

The fourth proportional to 78,113.06, 107,795.45 and 42,302.24 is: 58,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,113.06 : 107,795.45 = 42,302.24 : x
  2. Step 2: Convert to fraction form
    78,113.06/107,795.45 = 42,302.24/x
  3. Step 3: Cross multiply
    78,113.06x = 107,795.45 × 42,302.24
  4. Step 4: Simplify right side
    78,113.06x = 4,559,988,246.32
  5. Step 5: Solve for x
    x = 4,559,988,246.32/78,113.06
  6. Step 6: Final answer
    x = 58,376.78

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