Home / 91,759.17-126,637.25-51,483.81

Finding the Fourth Proportional to 91,759.17, 126,637.25 and 51,483.81

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Solution

The fourth proportional to 91,759.17, 126,637.25 and 51,483.81 is: 71,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,759.17 : 126,637.25 = 51,483.81 : x
  2. Step 2: Convert to fraction form
    91,759.17/126,637.25 = 51,483.81/x
  3. Step 3: Cross multiply
    91,759.17x = 126,637.25 × 51,483.81
  4. Step 4: Simplify right side
    91,759.17x = 6,519,767,860.50
  5. Step 5: Solve for x
    x = 6,519,767,860.50/91,759.17
  6. Step 6: Final answer
    x = 71,053.04

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1.5x scale

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.