Home / 99,073.04-136,730.40-56,623.48

Finding the Fourth Proportional to 99,073.04, 136,730.40 and 56,623.48

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Solution

The fourth proportional to 99,073.04, 136,730.40 and 56,623.48 is: 78,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073.04 : 136,730.40 = 56,623.48 : x
  2. Step 2: Convert to fraction form
    99,073.04/136,730.40 = 56,623.48/x
  3. Step 3: Cross multiply
    99,073.04x = 136,730.40 × 56,623.48
  4. Step 4: Simplify right side
    99,073.04x = 7,742,151,069.79
  5. Step 5: Solve for x
    x = 7,742,151,069.79/99,073.04
  6. Step 6: Final answer
    x = 78,145.89

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