Home / 84,742.20-127,259.10-59,956.20

Finding the Fourth Proportional to 84,742.20, 127,259.10 and 59,956.20

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Solution

The fourth proportional to 84,742.20, 127,259.10 and 59,956.20 is: 90,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.20 : 127,259.10 = 59,956.20 : x
  2. Step 2: Convert to fraction form
    84,742.20/127,259.10 = 59,956.20/x
  3. Step 3: Cross multiply
    84,742.20x = 127,259.10 × 59,956.20
  4. Step 4: Simplify right side
    84,742.20x = 7,629,972,051.42
  5. Step 5: Solve for x
    x = 7,629,972,051.42/84,742.20
  6. Step 6: Final answer
    x = 90,037.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.