Home / 91,784.70-126,663.93-53,542.98

Finding the Fourth Proportional to 91,784.70, 126,663.93 and 53,542.98

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Solution

The fourth proportional to 91,784.70, 126,663.93 and 53,542.98 is: 73,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.70 : 126,663.93 = 53,542.98 : x
  2. Step 2: Convert to fraction form
    91,784.70/126,663.93 = 53,542.98/x
  3. Step 3: Cross multiply
    91,784.70x = 126,663.93 × 53,542.98
  4. Step 4: Simplify right side
    91,784.70x = 6,781,964,270.71
  5. Step 5: Solve for x
    x = 6,781,964,270.71/91,784.70
  6. Step 6: Final answer
    x = 73,889.92

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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.