Home / 89,924.99-124,095.78-49,638.76

Finding the Fourth Proportional to 89,924.99, 124,095.78 and 49,638.76

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Solution

The fourth proportional to 89,924.99, 124,095.78 and 49,638.76 is: 68,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.99 : 124,095.78 = 49,638.76 : x
  2. Step 2: Convert to fraction form
    89,924.99/124,095.78 = 49,638.76/x
  3. Step 3: Cross multiply
    89,924.99x = 124,095.78 × 49,638.76
  4. Step 4: Simplify right side
    89,924.99x = 6,159,960,640.43
  5. Step 5: Solve for x
    x = 6,159,960,640.43/89,924.99
  6. Step 6: Final answer
    x = 68,501.10

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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.