Home / 86,119.04-118,102.76-82,526.87

Finding the Fourth Proportional to 86,119.04, 118,102.76 and 82,526.87

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Solution

The fourth proportional to 86,119.04, 118,102.76 and 82,526.87 is: 113,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.04 : 118,102.76 = 82,526.87 : x
  2. Step 2: Convert to fraction form
    86,119.04/118,102.76 = 82,526.87/x
  3. Step 3: Cross multiply
    86,119.04x = 118,102.76 × 82,526.87
  4. Step 4: Simplify right side
    86,119.04x = 9,746,650,118.01
  5. Step 5: Solve for x
    x = 9,746,650,118.01/86,119.04
  6. Step 6: Final answer
    x = 113,176.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.