Home / 80,929.32-111,683.48-46,939.24

Finding the Fourth Proportional to 80,929.32, 111,683.48 and 46,939.24

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Solution

The fourth proportional to 80,929.32, 111,683.48 and 46,939.24 is: 64,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,929.32 : 111,683.48 = 46,939.24 : x
  2. Step 2: Convert to fraction form
    80,929.32/111,683.48 = 46,939.24/x
  3. Step 3: Cross multiply
    80,929.32x = 111,683.48 × 46,939.24
  4. Step 4: Simplify right side
    80,929.32x = 5,242,337,671.76
  5. Step 5: Solve for x
    x = 5,242,337,671.76/80,929.32
  6. Step 6: Final answer
    x = 64,776.74

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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.