Home / 89,103.04-122,959.26-53,274.58

Finding the Fourth Proportional to 89,103.04, 122,959.26 and 53,274.58

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Solution

The fourth proportional to 89,103.04, 122,959.26 and 53,274.58 is: 73,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.04 : 122,959.26 = 53,274.58 : x
  2. Step 2: Convert to fraction form
    89,103.04/122,959.26 = 53,274.58/x
  3. Step 3: Cross multiply
    89,103.04x = 122,959.26 × 53,274.58
  4. Step 4: Simplify right side
    89,103.04x = 6,550,602,933.61
  5. Step 5: Solve for x
    x = 6,550,602,933.61/89,103.04
  6. Step 6: Final answer
    x = 73,517.17

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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.