Home / 91,968.84-126,917.43-53,730.56

Finding the Fourth Proportional to 91,968.84, 126,917.43 and 53,730.56

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Solution

The fourth proportional to 91,968.84, 126,917.43 and 53,730.56 is: 74,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,968.84 : 126,917.43 = 53,730.56 : x
  2. Step 2: Convert to fraction form
    91,968.84/126,917.43 = 53,730.56/x
  3. Step 3: Cross multiply
    91,968.84x = 126,917.43 × 53,730.56
  4. Step 4: Simplify right side
    91,968.84x = 6,819,343,953.07
  5. Step 5: Solve for x
    x = 6,819,343,953.07/91,968.84
  6. Step 6: Final answer
    x = 74,148.42

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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.