Home / 90,415.40-124,747.94-52,682.36

Finding the Fourth Proportional to 90,415.40, 124,747.94 and 52,682.36

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Solution

The fourth proportional to 90,415.40, 124,747.94 and 52,682.36 is: 72,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,415.40 : 124,747.94 = 52,682.36 : x
  2. Step 2: Convert to fraction form
    90,415.40/124,747.94 = 52,682.36/x
  3. Step 3: Cross multiply
    90,415.40x = 124,747.94 × 52,682.36
  4. Step 4: Simplify right side
    90,415.40x = 6,572,015,620.93
  5. Step 5: Solve for x
    x = 6,572,015,620.93/90,415.40
  6. Step 6: Final answer
    x = 72,686.91

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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.