Home / 97,948.88-135,224.98-74,935.42

Finding the Fourth Proportional to 97,948.88, 135,224.98 and 74,935.42

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Solution

The fourth proportional to 97,948.88, 135,224.98 and 74,935.42 is: 103,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,948.88 : 135,224.98 = 74,935.42 : x
  2. Step 2: Convert to fraction form
    97,948.88/135,224.98 = 74,935.42/x
  3. Step 3: Cross multiply
    97,948.88x = 135,224.98 × 74,935.42
  4. Step 4: Simplify right side
    97,948.88x = 10,133,140,670.79
  5. Step 5: Solve for x
    x = 10,133,140,670.79/97,948.88
  6. Step 6: Final answer
    x = 103,453.36

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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.