Home / 89,955.07-124,139.94-49,671.40

Finding the Fourth Proportional to 89,955.07, 124,139.94 and 49,671.40

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Solution

The fourth proportional to 89,955.07, 124,139.94 and 49,671.40 is: 68,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,955.07 : 124,139.94 = 49,671.40 : x
  2. Step 2: Convert to fraction form
    89,955.07/124,139.94 = 49,671.40/x
  3. Step 3: Cross multiply
    89,955.07x = 124,139.94 × 49,671.40
  4. Step 4: Simplify right side
    89,955.07x = 6,166,204,615.72
  5. Step 5: Solve for x
    x = 6,166,204,615.72/89,955.07
  6. Step 6: Final answer
    x = 68,547.61

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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.