Home / 91,312.75-126,011.60-55,496.08

Finding the Fourth Proportional to 91,312.75, 126,011.60 and 55,496.08

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Solution

The fourth proportional to 91,312.75, 126,011.60 and 55,496.08 is: 76,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,312.75 : 126,011.60 = 55,496.08 : x
  2. Step 2: Convert to fraction form
    91,312.75/126,011.60 = 55,496.08/x
  3. Step 3: Cross multiply
    91,312.75x = 126,011.60 × 55,496.08
  4. Step 4: Simplify right side
    91,312.75x = 6,993,149,834.53
  5. Step 5: Solve for x
    x = 6,993,149,834.53/91,312.75
  6. Step 6: Final answer
    x = 76,584.59

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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.