Home / 91,555.65-126,332.19-51,271.11

Finding the Fourth Proportional to 91,555.65, 126,332.19 and 51,271.11

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Solution

The fourth proportional to 91,555.65, 126,332.19 and 51,271.11 is: 70,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.65 : 126,332.19 = 51,271.11 : x
  2. Step 2: Convert to fraction form
    91,555.65/126,332.19 = 51,271.11/x
  3. Step 3: Cross multiply
    91,555.65x = 126,332.19 × 51,271.11
  4. Step 4: Simplify right side
    91,555.65x = 6,477,191,610.03
  5. Step 5: Solve for x
    x = 6,477,191,610.03/91,555.65
  6. Step 6: Final answer
    x = 70,745.95

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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.