Home / 91,294.56-125,979.30-51,005.16

Finding the Fourth Proportional to 91,294.56, 125,979.30 and 51,005.16

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Solution

The fourth proportional to 91,294.56, 125,979.30 and 51,005.16 is: 70,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,294.56 : 125,979.30 = 51,005.16 : x
  2. Step 2: Convert to fraction form
    91,294.56/125,979.30 = 51,005.16/x
  3. Step 3: Cross multiply
    91,294.56x = 125,979.30 × 51,005.16
  4. Step 4: Simplify right side
    91,294.56x = 6,425,594,353.19
  5. Step 5: Solve for x
    x = 6,425,594,353.19/91,294.56
  6. Step 6: Final answer
    x = 70,383.10

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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.