Home / 90,277.57-124,583.04-49,991.36

Finding the Fourth Proportional to 90,277.57, 124,583.04 and 49,991.36

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Solution

The fourth proportional to 90,277.57, 124,583.04 and 49,991.36 is: 68,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.57 : 124,583.04 = 49,991.36 : x
  2. Step 2: Convert to fraction form
    90,277.57/124,583.04 = 49,991.36/x
  3. Step 3: Cross multiply
    90,277.57x = 124,583.04 × 49,991.36
  4. Step 4: Simplify right side
    90,277.57x = 6,228,075,330.01
  5. Step 5: Solve for x
    x = 6,228,075,330.01/90,277.57
  6. Step 6: Final answer
    x = 68,988.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.