Home / 91,297.08-125,977.43-51,005.84

Finding the Fourth Proportional to 91,297.08, 125,977.43 and 51,005.84

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Solution

The fourth proportional to 91,297.08, 125,977.43 and 51,005.84 is: 70,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,297.08 : 125,977.43 = 51,005.84 : x
  2. Step 2: Convert to fraction form
    91,297.08/125,977.43 = 51,005.84/x
  3. Step 3: Cross multiply
    91,297.08x = 125,977.43 × 51,005.84
  4. Step 4: Simplify right side
    91,297.08x = 6,425,584,638.19
  5. Step 5: Solve for x
    x = 6,425,584,638.19/91,297.08
  6. Step 6: Final answer
    x = 70,381.05

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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.