Home / 97,727.65-134,878.28-56,326.60

Finding the Fourth Proportional to 97,727.65, 134,878.28 and 56,326.60

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Solution

The fourth proportional to 97,727.65, 134,878.28 and 56,326.60 is: 77,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,727.65 : 134,878.28 = 56,326.60 : x
  2. Step 2: Convert to fraction form
    97,727.65/134,878.28 = 56,326.60/x
  3. Step 3: Cross multiply
    97,727.65x = 134,878.28 × 56,326.60
  4. Step 4: Simplify right side
    97,727.65x = 7,597,234,926.25
  5. Step 5: Solve for x
    x = 7,597,234,926.25/97,727.65
  6. Step 6: Final answer
    x = 77,738.85

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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.