Home / 113,109.84-169,406.28-53,987.01

Finding the Fourth Proportional to 113,109.84, 169,406.28 and 53,987.01

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Solution

The fourth proportional to 113,109.84, 169,406.28 and 53,987.01 is: 80,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,109.84 : 169,406.28 = 53,987.01 : x
  2. Step 2: Convert to fraction form
    113,109.84/169,406.28 = 53,987.01/x
  3. Step 3: Cross multiply
    113,109.84x = 169,406.28 × 53,987.01
  4. Step 4: Simplify right side
    113,109.84x = 9,145,738,532.42
  5. Step 5: Solve for x
    x = 9,145,738,532.42/113,109.84
  6. Step 6: Final answer
    x = 80,857.14

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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.