Home / 89,937.08-124,113.12-49,650.80

Finding the Fourth Proportional to 89,937.08, 124,113.12 and 49,650.80

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Solution

The fourth proportional to 89,937.08, 124,113.12 and 49,650.80 is: 68,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.08 : 124,113.12 = 49,650.80 : x
  2. Step 2: Convert to fraction form
    89,937.08/124,113.12 = 49,650.80/x
  3. Step 3: Cross multiply
    89,937.08x = 124,113.12 × 49,650.80
  4. Step 4: Simplify right side
    89,937.08x = 6,162,315,698.50
  5. Step 5: Solve for x
    x = 6,162,315,698.50/89,937.08
  6. Step 6: Final answer
    x = 68,518.08

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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.