Home / 91,920.48-126,863.04-51,637.32

Finding the Fourth Proportional to 91,920.48, 126,863.04 and 51,637.32

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Solution

The fourth proportional to 91,920.48, 126,863.04 and 51,637.32 is: 71,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,920.48 : 126,863.04 = 51,637.32 : x
  2. Step 2: Convert to fraction form
    91,920.48/126,863.04 = 51,637.32/x
  3. Step 3: Cross multiply
    91,920.48x = 126,863.04 × 51,637.32
  4. Step 4: Simplify right side
    91,920.48x = 6,550,867,392.65
  5. Step 5: Solve for x
    x = 6,550,867,392.65/91,920.48
  6. Step 6: Final answer
    x = 71,266.68

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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.