Home / 90,296.80-124,617.36-52,574.56

Finding the Fourth Proportional to 90,296.80, 124,617.36 and 52,574.56

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Solution

The fourth proportional to 90,296.80, 124,617.36 and 52,574.56 is: 72,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.80 : 124,617.36 = 52,574.56 : x
  2. Step 2: Convert to fraction form
    90,296.80/124,617.36 = 52,574.56/x
  3. Step 3: Cross multiply
    90,296.80x = 124,617.36 × 52,574.56
  4. Step 4: Simplify right side
    90,296.80x = 6,551,702,870.36
  5. Step 5: Solve for x
    x = 6,551,702,870.36/90,296.80
  6. Step 6: Final answer
    x = 72,557.42

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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.