Home / 91,359.48-126,077.02-51,075.48

Finding the Fourth Proportional to 91,359.48, 126,077.02 and 51,075.48

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Solution

The fourth proportional to 91,359.48, 126,077.02 and 51,075.48 is: 70,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,359.48 : 126,077.02 = 51,075.48 : x
  2. Step 2: Convert to fraction form
    91,359.48/126,077.02 = 51,075.48/x
  3. Step 3: Cross multiply
    91,359.48x = 126,077.02 × 51,075.48
  4. Step 4: Simplify right side
    91,359.48x = 6,439,444,185.78
  5. Step 5: Solve for x
    x = 6,439,444,185.78/91,359.48
  6. Step 6: Final answer
    x = 70,484.69

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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.