Home / 91,674.09-126,517.55-53,955.63

Finding the Fourth Proportional to 91,674.09, 126,517.55 and 53,955.63

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Solution

The fourth proportional to 91,674.09, 126,517.55 and 53,955.63 is: 74,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,674.09 : 126,517.55 = 53,955.63 : x
  2. Step 2: Convert to fraction form
    91,674.09/126,517.55 = 53,955.63/x
  3. Step 3: Cross multiply
    91,674.09x = 126,517.55 × 53,955.63
  4. Step 4: Simplify right side
    91,674.09x = 6,826,333,846.53
  5. Step 5: Solve for x
    x = 6,826,333,846.53/91,674.09
  6. Step 6: Final answer
    x = 74,463.07

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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.