Home / 89,933.15-124,108.75-49,646.93

Finding the Fourth Proportional to 89,933.15, 124,108.75 and 49,646.93

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Solution

The fourth proportional to 89,933.15, 124,108.75 and 49,646.93 is: 68,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.15 : 124,108.75 = 49,646.93 : x
  2. Step 2: Convert to fraction form
    89,933.15/124,108.75 = 49,646.93/x
  3. Step 3: Cross multiply
    89,933.15x = 124,108.75 × 49,646.93
  4. Step 4: Simplify right side
    89,933.15x = 6,161,618,795.97
  5. Step 5: Solve for x
    x = 6,161,618,795.97/89,933.15
  6. Step 6: Final answer
    x = 68,513.32

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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.