Home / 91,632.33-126,460.67-53,389.89

Finding the Fourth Proportional to 91,632.33, 126,460.67 and 53,389.89

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Solution

The fourth proportional to 91,632.33, 126,460.67 and 53,389.89 is: 73,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632.33 : 126,460.67 = 53,389.89 : x
  2. Step 2: Convert to fraction form
    91,632.33/126,460.67 = 53,389.89/x
  3. Step 3: Cross multiply
    91,632.33x = 126,460.67 × 53,389.89
  4. Step 4: Simplify right side
    91,632.33x = 6,751,720,993.68
  5. Step 5: Solve for x
    x = 6,751,720,993.68/91,632.33
  6. Step 6: Final answer
    x = 73,682.74

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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.