Home / 94,187.48-129,921.04-55,921.04

Finding the Fourth Proportional to 94,187.48, 129,921.04 and 55,921.04

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Solution

The fourth proportional to 94,187.48, 129,921.04 and 55,921.04 is: 77,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,187.48 : 129,921.04 = 55,921.04 : x
  2. Step 2: Convert to fraction form
    94,187.48/129,921.04 = 55,921.04/x
  3. Step 3: Cross multiply
    94,187.48x = 129,921.04 × 55,921.04
  4. Step 4: Simplify right side
    94,187.48x = 7,265,319,674.68
  5. Step 5: Solve for x
    x = 7,265,319,674.68/94,187.48
  6. Step 6: Final answer
    x = 77,136.79

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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.