Home / 91,868.00-126,781.40-51,035.22

Finding the Fourth Proportional to 91,868.00, 126,781.40 and 51,035.22

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Solution

The fourth proportional to 91,868.00, 126,781.40 and 51,035.22 is: 70,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868.00 : 126,781.40 = 51,035.22 : x
  2. Step 2: Convert to fraction form
    91,868.00/126,781.40 = 51,035.22/x
  3. Step 3: Cross multiply
    91,868.00x = 126,781.40 × 51,035.22
  4. Step 4: Simplify right side
    91,868.00x = 6,470,316,513.32
  5. Step 5: Solve for x
    x = 6,470,316,513.32/91,868.00
  6. Step 6: Final answer
    x = 70,430.58

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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.