Home / 97,869.94-135,054.12-57,575.92

Finding the Fourth Proportional to 97,869.94, 135,054.12 and 57,575.92

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Solution

The fourth proportional to 97,869.94, 135,054.12 and 57,575.92 is: 79,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,869.94 : 135,054.12 = 57,575.92 : x
  2. Step 2: Convert to fraction form
    97,869.94/135,054.12 = 57,575.92/x
  3. Step 3: Cross multiply
    97,869.94x = 135,054.12 × 57,575.92
  4. Step 4: Simplify right side
    97,869.94x = 7,775,865,208.79
  5. Step 5: Solve for x
    x = 7,775,865,208.79/97,869.94
  6. Step 6: Final answer
    x = 79,451.01

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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.