Home / 97,681.32-134,826.84-57,408.06

Finding the Fourth Proportional to 97,681.32, 134,826.84 and 57,408.06

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Solution

The fourth proportional to 97,681.32, 134,826.84 and 57,408.06 is: 79,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,681.32 : 134,826.84 = 57,408.06 : x
  2. Step 2: Convert to fraction form
    97,681.32/134,826.84 = 57,408.06/x
  3. Step 3: Cross multiply
    97,681.32x = 134,826.84 × 57,408.06
  4. Step 4: Simplify right side
    97,681.32x = 7,740,147,320.33
  5. Step 5: Solve for x
    x = 7,740,147,320.33/97,681.32
  6. Step 6: Final answer
    x = 79,238.77

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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.