Home / 86,195.04-129,292.64-23,015.32

Finding the Fourth Proportional to 86,195.04, 129,292.64 and 23,015.32

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Solution

The fourth proportional to 86,195.04, 129,292.64 and 23,015.32 is: 34,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.04 : 129,292.64 = 23,015.32 : x
  2. Step 2: Convert to fraction form
    86,195.04/129,292.64 = 23,015.32/x
  3. Step 3: Cross multiply
    86,195.04x = 129,292.64 × 23,015.32
  4. Step 4: Simplify right side
    86,195.04x = 2,975,711,483.24
  5. Step 5: Solve for x
    x = 2,975,711,483.24/86,195.04
  6. Step 6: Final answer
    x = 34,523.00

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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.