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Finding the Fourth Proportional to 96,866.48, 133,670.76 and 65,030.96

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Solution

The fourth proportional to 96,866.48, 133,670.76 and 65,030.96 is: 89,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,866.48 : 133,670.76 = 65,030.96 : x
  2. Step 2: Convert to fraction form
    96,866.48/133,670.76 = 65,030.96/x
  3. Step 3: Cross multiply
    96,866.48x = 133,670.76 × 65,030.96
  4. Step 4: Simplify right side
    96,866.48x = 8,692,737,846.73
  5. Step 5: Solve for x
    x = 8,692,737,846.73/96,866.48
  6. Step 6: Final answer
    x = 89,739.38

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1.5x scale

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.