Home / 91,360.94-126,077.51-51,074.51

Finding the Fourth Proportional to 91,360.94, 126,077.51 and 51,074.51

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Solution

The fourth proportional to 91,360.94, 126,077.51 and 51,074.51 is: 70,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.94 : 126,077.51 = 51,074.51 : x
  2. Step 2: Convert to fraction form
    91,360.94/126,077.51 = 51,074.51/x
  3. Step 3: Cross multiply
    91,360.94x = 126,077.51 × 51,074.51
  4. Step 4: Simplify right side
    91,360.94x = 6,439,346,542.57
  5. Step 5: Solve for x
    x = 6,439,346,542.57/91,360.94
  6. Step 6: Final answer
    x = 70,482.49

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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.