Home / 117,626.08-162,358.32-71,702.32

Finding the Fourth Proportional to 117,626.08, 162,358.32 and 71,702.32

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Solution

The fourth proportional to 117,626.08, 162,358.32 and 71,702.32 is: 98,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626.08 : 162,358.32 = 71,702.32 : x
  2. Step 2: Convert to fraction form
    117,626.08/162,358.32 = 71,702.32/x
  3. Step 3: Cross multiply
    117,626.08x = 162,358.32 × 71,702.32
  4. Step 4: Simplify right side
    117,626.08x = 11,641,468,215.30
  5. Step 5: Solve for x
    x = 11,641,468,215.30/117,626.08
  6. Step 6: Final answer
    x = 98,970.13

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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.