Home / 91,784.84-126,662.93-51,502.35

Finding the Fourth Proportional to 91,784.84, 126,662.93 and 51,502.35

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Solution

The fourth proportional to 91,784.84, 126,662.93 and 51,502.35 is: 71,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.84 : 126,662.93 = 51,502.35 : x
  2. Step 2: Convert to fraction form
    91,784.84/126,662.93 = 51,502.35/x
  3. Step 3: Cross multiply
    91,784.84x = 126,662.93 × 51,502.35
  4. Step 4: Simplify right side
    91,784.84x = 6,523,438,013.52
  5. Step 5: Solve for x
    x = 6,523,438,013.52/91,784.84
  6. Step 6: Final answer
    x = 71,073.15

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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.