Home / 89,878.23-124,076.88-55,897.65

Finding the Fourth Proportional to 89,878.23, 124,076.88 and 55,897.65

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Solution

The fourth proportional to 89,878.23, 124,076.88 and 55,897.65 is: 77,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.23 : 124,076.88 = 55,897.65 : x
  2. Step 2: Convert to fraction form
    89,878.23/124,076.88 = 55,897.65/x
  3. Step 3: Cross multiply
    89,878.23x = 124,076.88 × 55,897.65
  4. Step 4: Simplify right side
    89,878.23x = 6,935,606,011.33
  5. Step 5: Solve for x
    x = 6,935,606,011.33/89,878.23
  6. Step 6: Final answer
    x = 77,166.70

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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.