Home / 99,130.56-136,797.12-53,806.40

Finding the Fourth Proportional to 99,130.56, 136,797.12 and 53,806.40

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Solution

The fourth proportional to 99,130.56, 136,797.12 and 53,806.40 is: 74,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.56 : 136,797.12 = 53,806.40 : x
  2. Step 2: Convert to fraction form
    99,130.56/136,797.12 = 53,806.40/x
  3. Step 3: Cross multiply
    99,130.56x = 136,797.12 × 53,806.40
  4. Step 4: Simplify right side
    99,130.56x = 7,360,560,557.57
  5. Step 5: Solve for x
    x = 7,360,560,557.57/99,130.56
  6. Step 6: Final answer
    x = 74,251.17

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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.