Home / 91,360.22-126,079.88-51,075.68

Finding the Fourth Proportional to 91,360.22, 126,079.88 and 51,075.68

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Solution

The fourth proportional to 91,360.22, 126,079.88 and 51,075.68 is: 70,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.22 : 126,079.88 = 51,075.68 : x
  2. Step 2: Convert to fraction form
    91,360.22/126,079.88 = 51,075.68/x
  3. Step 3: Cross multiply
    91,360.22x = 126,079.88 × 51,075.68
  4. Step 4: Simplify right side
    91,360.22x = 6,439,614,719.54
  5. Step 5: Solve for x
    x = 6,439,614,719.54/91,360.22
  6. Step 6: Final answer
    x = 70,485.98

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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.