Home / 124,518.24-186,772.68-68,384.52

Finding the Fourth Proportional to 124,518.24, 186,772.68 and 68,384.52

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Solution

The fourth proportional to 124,518.24, 186,772.68 and 68,384.52 is: 102,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.24 : 186,772.68 = 68,384.52 : x
  2. Step 2: Convert to fraction form
    124,518.24/186,772.68 = 68,384.52/x
  3. Step 3: Cross multiply
    124,518.24x = 186,772.68 × 68,384.52
  4. Step 4: Simplify right side
    124,518.24x = 12,772,360,070.91
  5. Step 5: Solve for x
    x = 12,772,360,070.91/124,518.24
  6. Step 6: Final answer
    x = 102,574.21

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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.