Home / 89,940.04-124,117.70-49,653.07

Finding the Fourth Proportional to 89,940.04, 124,117.70 and 49,653.07

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Solution

The fourth proportional to 89,940.04, 124,117.70 and 49,653.07 is: 68,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.04 : 124,117.70 = 49,653.07 : x
  2. Step 2: Convert to fraction form
    89,940.04/124,117.70 = 49,653.07/x
  3. Step 3: Cross multiply
    89,940.04x = 124,117.70 × 49,653.07
  4. Step 4: Simplify right side
    89,940.04x = 6,162,824,287.78
  5. Step 5: Solve for x
    x = 6,162,824,287.78/89,940.04
  6. Step 6: Final answer
    x = 68,521.48

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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.