Home / 88,878.08-122,497.98-77,476.52

Finding the Fourth Proportional to 88,878.08, 122,497.98 and 77,476.52

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Solution

The fourth proportional to 88,878.08, 122,497.98 and 77,476.52 is: 106,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878.08 : 122,497.98 = 77,476.52 : x
  2. Step 2: Convert to fraction form
    88,878.08/122,497.98 = 77,476.52/x
  3. Step 3: Cross multiply
    88,878.08x = 122,497.98 × 77,476.52
  4. Step 4: Simplify right side
    88,878.08x = 9,490,717,197.43
  5. Step 5: Solve for x
    x = 9,490,717,197.43/88,878.08
  6. Step 6: Final answer
    x = 106,783.55

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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.