Home / 91,538.64-126,317.34-51,252.03

Finding the Fourth Proportional to 91,538.64, 126,317.34 and 51,252.03

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Solution

The fourth proportional to 91,538.64, 126,317.34 and 51,252.03 is: 70,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,538.64 : 126,317.34 = 51,252.03 : x
  2. Step 2: Convert to fraction form
    91,538.64/126,317.34 = 51,252.03/x
  3. Step 3: Cross multiply
    91,538.64x = 126,317.34 × 51,252.03
  4. Step 4: Simplify right side
    91,538.64x = 6,474,020,099.20
  5. Step 5: Solve for x
    x = 6,474,020,099.20/91,538.64
  6. Step 6: Final answer
    x = 70,724.45

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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.