Home / 109,051.39-150,491.55-61,304.32

Finding the Fourth Proportional to 109,051.39, 150,491.55 and 61,304.32

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Solution

The fourth proportional to 109,051.39, 150,491.55 and 61,304.32 is: 84,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051.39 : 150,491.55 = 61,304.32 : x
  2. Step 2: Convert to fraction form
    109,051.39/150,491.55 = 61,304.32/x
  3. Step 3: Cross multiply
    109,051.39x = 150,491.55 × 61,304.32
  4. Step 4: Simplify right side
    109,051.39x = 9,225,782,138.50
  5. Step 5: Solve for x
    x = 9,225,782,138.50/109,051.39
  6. Step 6: Final answer
    x = 84,600.32

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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.