Home / 91,098.81-125,706.74-50,814.27

Finding the Fourth Proportional to 91,098.81, 125,706.74 and 50,814.27

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Solution

The fourth proportional to 91,098.81, 125,706.74 and 50,814.27 is: 70,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.81 : 125,706.74 = 50,814.27 : x
  2. Step 2: Convert to fraction form
    91,098.81/125,706.74 = 50,814.27/x
  3. Step 3: Cross multiply
    91,098.81x = 125,706.74 × 50,814.27
  4. Step 4: Simplify right side
    91,098.81x = 6,387,695,973.11
  5. Step 5: Solve for x
    x = 6,387,695,973.11/91,098.81
  6. Step 6: Final answer
    x = 70,118.33

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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.