Home / 93,720.24-129,199.38-66,816.06

Finding the Fourth Proportional to 93,720.24, 129,199.38 and 66,816.06

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Solution

The fourth proportional to 93,720.24, 129,199.38 and 66,816.06 is: 92,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,720.24 : 129,199.38 = 66,816.06 : x
  2. Step 2: Convert to fraction form
    93,720.24/129,199.38 = 66,816.06/x
  3. Step 3: Cross multiply
    93,720.24x = 129,199.38 × 66,816.06
  4. Step 4: Simplify right side
    93,720.24x = 8,632,593,526.04
  5. Step 5: Solve for x
    x = 8,632,593,526.04/93,720.24
  6. Step 6: Final answer
    x = 92,110.24

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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.