Home / 91,081.08-125,648.99-59,238.36

Finding the Fourth Proportional to 91,081.08, 125,648.99 and 59,238.36

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Solution

The fourth proportional to 91,081.08, 125,648.99 and 59,238.36 is: 81,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081.08 : 125,648.99 = 59,238.36 : x
  2. Step 2: Convert to fraction form
    91,081.08/125,648.99 = 59,238.36/x
  3. Step 3: Cross multiply
    91,081.08x = 125,648.99 × 59,238.36
  4. Step 4: Simplify right side
    91,081.08x = 7,443,239,807.06
  5. Step 5: Solve for x
    x = 7,443,239,807.06/91,081.08
  6. Step 6: Final answer
    x = 81,721.03

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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.