Home / 99,075.24-136,704.78-56,624.76

Finding the Fourth Proportional to 99,075.24, 136,704.78 and 56,624.76

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Solution

The fourth proportional to 99,075.24, 136,704.78 and 56,624.76 is: 78,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075.24 : 136,704.78 = 56,624.76 : x
  2. Step 2: Convert to fraction form
    99,075.24/136,704.78 = 56,624.76/x
  3. Step 3: Cross multiply
    99,075.24x = 136,704.78 × 56,624.76
  4. Step 4: Simplify right side
    99,075.24x = 7,740,875,358.35
  5. Step 5: Solve for x
    x = 7,740,875,358.35/99,075.24
  6. Step 6: Final answer
    x = 78,131.28

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