Home / 52,547.20-78,820.80-48,246.40

Finding the Fourth Proportional to 52,547.20, 78,820.80 and 48,246.40

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Solution

The fourth proportional to 52,547.20, 78,820.80 and 48,246.40 is: 72,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547.20 : 78,820.80 = 48,246.40 : x
  2. Step 2: Convert to fraction form
    52,547.20/78,820.80 = 48,246.40/x
  3. Step 3: Cross multiply
    52,547.20x = 78,820.80 × 48,246.40
  4. Step 4: Simplify right side
    52,547.20x = 3,802,819,845.12
  5. Step 5: Solve for x
    x = 3,802,819,845.12/52,547.20
  6. Step 6: Final answer
    x = 72,369.60

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