Home / 90,027.51-124,238.91-49,740.27

Finding the Fourth Proportional to 90,027.51, 124,238.91 and 49,740.27

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Solution

The fourth proportional to 90,027.51, 124,238.91 and 49,740.27 is: 68,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.51 : 124,238.91 = 49,740.27 : x
  2. Step 2: Convert to fraction form
    90,027.51/124,238.91 = 49,740.27/x
  3. Step 3: Cross multiply
    90,027.51x = 124,238.91 × 49,740.27
  4. Step 4: Simplify right side
    90,027.51x = 6,179,676,927.91
  5. Step 5: Solve for x
    x = 6,179,676,927.91/90,027.51
  6. Step 6: Final answer
    x = 68,642.10

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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.