Home / 91,288.31-125,952.85-62,615.07

Finding the Fourth Proportional to 91,288.31, 125,952.85 and 62,615.07

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Solution

The fourth proportional to 91,288.31, 125,952.85 and 62,615.07 is: 86,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.31 : 125,952.85 = 62,615.07 : x
  2. Step 2: Convert to fraction form
    91,288.31/125,952.85 = 62,615.07/x
  3. Step 3: Cross multiply
    91,288.31x = 125,952.85 × 62,615.07
  4. Step 4: Simplify right side
    91,288.31x = 7,886,546,362.91
  5. Step 5: Solve for x
    x = 7,886,546,362.91/91,288.31
  6. Step 6: Final answer
    x = 86,391.64

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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.