Home / 91,346.05-126,073.59-53,117.43

Finding the Fourth Proportional to 91,346.05, 126,073.59 and 53,117.43

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Solution

The fourth proportional to 91,346.05, 126,073.59 and 53,117.43 is: 73,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346.05 : 126,073.59 = 53,117.43 : x
  2. Step 2: Convert to fraction form
    91,346.05/126,073.59 = 53,117.43/x
  3. Step 3: Cross multiply
    91,346.05x = 126,073.59 × 53,117.43
  4. Step 4: Simplify right side
    91,346.05x = 6,696,704,461.31
  5. Step 5: Solve for x
    x = 6,696,704,461.31/91,346.05
  6. Step 6: Final answer
    x = 73,311.37

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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.