Home / 91,273.36-125,965.92-55,455.16

Finding the Fourth Proportional to 91,273.36, 125,965.92 and 55,455.16

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Solution

The fourth proportional to 91,273.36, 125,965.92 and 55,455.16 is: 76,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273.36 : 125,965.92 = 55,455.16 : x
  2. Step 2: Convert to fraction form
    91,273.36/125,965.92 = 55,455.16/x
  3. Step 3: Cross multiply
    91,273.36x = 125,965.92 × 55,455.16
  4. Step 4: Simplify right side
    91,273.36x = 6,985,460,248.15
  5. Step 5: Solve for x
    x = 6,985,460,248.15/91,273.36
  6. Step 6: Final answer
    x = 76,533.40

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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.