Home / 124,237.35-186,410.70-57,643.20

Finding the Fourth Proportional to 124,237.35, 186,410.70 and 57,643.20

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Solution

The fourth proportional to 124,237.35, 186,410.70 and 57,643.20 is: 86,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,237.35 : 186,410.70 = 57,643.20 : x
  2. Step 2: Convert to fraction form
    124,237.35/186,410.70 = 57,643.20/x
  3. Step 3: Cross multiply
    124,237.35x = 186,410.70 × 57,643.20
  4. Step 4: Simplify right side
    124,237.35x = 10,745,309,262.24
  5. Step 5: Solve for x
    x = 10,745,309,262.24/124,237.35
  6. Step 6: Final answer
    x = 86,490.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.