Home / 91,796.32-126,678.42-51,510.04

Finding the Fourth Proportional to 91,796.32, 126,678.42 and 51,510.04

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Solution

The fourth proportional to 91,796.32, 126,678.42 and 51,510.04 is: 71,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796.32 : 126,678.42 = 51,510.04 : x
  2. Step 2: Convert to fraction form
    91,796.32/126,678.42 = 51,510.04/x
  3. Step 3: Cross multiply
    91,796.32x = 126,678.42 × 51,510.04
  4. Step 4: Simplify right side
    91,796.32x = 6,525,210,481.34
  5. Step 5: Solve for x
    x = 6,525,210,481.34/91,796.32
  6. Step 6: Final answer
    x = 71,083.57

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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.