Home / 91,424.04-126,176.84-51,140.04

Finding the Fourth Proportional to 91,424.04, 126,176.84 and 51,140.04

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Solution

The fourth proportional to 91,424.04, 126,176.84 and 51,140.04 is: 70,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424.04 : 126,176.84 = 51,140.04 : x
  2. Step 2: Convert to fraction form
    91,424.04/126,176.84 = 51,140.04/x
  3. Step 3: Cross multiply
    91,424.04x = 126,176.84 × 51,140.04
  4. Step 4: Simplify right side
    91,424.04x = 6,452,688,644.67
  5. Step 5: Solve for x
    x = 6,452,688,644.67/91,424.04
  6. Step 6: Final answer
    x = 70,579.78

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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.