Home / 89,919.36-124,088.03-49,633.12

Finding the Fourth Proportional to 89,919.36, 124,088.03 and 49,633.12

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Solution

The fourth proportional to 89,919.36, 124,088.03 and 49,633.12 is: 68,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.36 : 124,088.03 = 49,633.12 : x
  2. Step 2: Convert to fraction form
    89,919.36/124,088.03 = 49,633.12/x
  3. Step 3: Cross multiply
    89,919.36x = 124,088.03 × 49,633.12
  4. Step 4: Simplify right side
    89,919.36x = 6,158,875,897.42
  5. Step 5: Solve for x
    x = 6,158,875,897.42/89,919.36
  6. Step 6: Final answer
    x = 68,493.32

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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.