Home / 90,886.27-125,404.07-52,643.54

Finding the Fourth Proportional to 90,886.27, 125,404.07 and 52,643.54

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Solution

The fourth proportional to 90,886.27, 125,404.07 and 52,643.54 is: 72,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.27 : 125,404.07 = 52,643.54 : x
  2. Step 2: Convert to fraction form
    90,886.27/125,404.07 = 52,643.54/x
  3. Step 3: Cross multiply
    90,886.27x = 125,404.07 × 52,643.54
  4. Step 4: Simplify right side
    90,886.27x = 6,601,713,520.10
  5. Step 5: Solve for x
    x = 6,601,713,520.10/90,886.27
  6. Step 6: Final answer
    x = 72,637.08

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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.