Home / 88,337.17-121,883.50-54,351.19

Finding the Fourth Proportional to 88,337.17, 121,883.50 and 54,351.19

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Solution

The fourth proportional to 88,337.17, 121,883.50 and 54,351.19 is: 74,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,337.17 : 121,883.50 = 54,351.19 : x
  2. Step 2: Convert to fraction form
    88,337.17/121,883.50 = 54,351.19/x
  3. Step 3: Cross multiply
    88,337.17x = 121,883.50 × 54,351.19
  4. Step 4: Simplify right side
    88,337.17x = 6,624,513,266.37
  5. Step 5: Solve for x
    x = 6,624,513,266.37/88,337.17
  6. Step 6: Final answer
    x = 74,991.23

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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.