Home / 91,973.54-126,938.00-53,755.72

Finding the Fourth Proportional to 91,973.54, 126,938.00 and 53,755.72

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Solution

The fourth proportional to 91,973.54, 126,938.00 and 53,755.72 is: 74,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,973.54 : 126,938.00 = 53,755.72 : x
  2. Step 2: Convert to fraction form
    91,973.54/126,938.00 = 53,755.72/x
  3. Step 3: Cross multiply
    91,973.54x = 126,938.00 × 53,755.72
  4. Step 4: Simplify right side
    91,973.54x = 6,823,643,402.40
  5. Step 5: Solve for x
    x = 6,823,643,402.40/91,973.54
  6. Step 6: Final answer
    x = 74,191.37

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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.