Home / 112,400.08-155,115.24-62,102.32

Finding the Fourth Proportional to 112,400.08, 155,115.24 and 62,102.32

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Solution

The fourth proportional to 112,400.08, 155,115.24 and 62,102.32 is: 85,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.08 : 155,115.24 = 62,102.32 : x
  2. Step 2: Convert to fraction form
    112,400.08/155,115.24 = 62,102.32/x
  3. Step 3: Cross multiply
    112,400.08x = 155,115.24 × 62,102.32
  4. Step 4: Simplify right side
    112,400.08x = 9,633,016,271.36
  5. Step 5: Solve for x
    x = 9,633,016,271.36/112,400.08
  6. Step 6: Final answer
    x = 85,702.93

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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.