Home / 89,946.40-124,133.52-49,663.84

Finding the Fourth Proportional to 89,946.40, 124,133.52 and 49,663.84

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Solution

The fourth proportional to 89,946.40, 124,133.52 and 49,663.84 is: 68,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,946.40 : 124,133.52 = 49,663.84 : x
  2. Step 2: Convert to fraction form
    89,946.40/124,133.52 = 49,663.84/x
  3. Step 3: Cross multiply
    89,946.40x = 124,133.52 × 49,663.84
  4. Step 4: Simplify right side
    89,946.40x = 6,164,947,275.92
  5. Step 5: Solve for x
    x = 6,164,947,275.92/89,946.40
  6. Step 6: Final answer
    x = 68,540.23

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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.