Home / 111,928.32-154,463.04-61,626.24

Finding the Fourth Proportional to 111,928.32, 154,463.04 and 61,626.24

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Solution

The fourth proportional to 111,928.32, 154,463.04 and 61,626.24 is: 85,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928.32 : 154,463.04 = 61,626.24 : x
  2. Step 2: Convert to fraction form
    111,928.32/154,463.04 = 61,626.24/x
  3. Step 3: Cross multiply
    111,928.32x = 154,463.04 × 61,626.24
  4. Step 4: Simplify right side
    111,928.32x = 9,518,976,374.17
  5. Step 5: Solve for x
    x = 9,518,976,374.17/111,928.32
  6. Step 6: Final answer
    x = 85,045.29

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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.