Home / 91,595.81-126,399.96-51,309.32

Finding the Fourth Proportional to 91,595.81, 126,399.96 and 51,309.32

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Solution

The fourth proportional to 91,595.81, 126,399.96 and 51,309.32 is: 70,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,595.81 : 126,399.96 = 51,309.32 : x
  2. Step 2: Convert to fraction form
    91,595.81/126,399.96 = 51,309.32/x
  3. Step 3: Cross multiply
    91,595.81x = 126,399.96 × 51,309.32
  4. Step 4: Simplify right side
    91,595.81x = 6,485,495,363.63
  5. Step 5: Solve for x
    x = 6,485,495,363.63/91,595.81
  6. Step 6: Final answer
    x = 70,805.59

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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.