Home / 98,905.32-136,480.50-58,612.26

Finding the Fourth Proportional to 98,905.32, 136,480.50 and 58,612.26

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Solution

The fourth proportional to 98,905.32, 136,480.50 and 58,612.26 is: 80,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.32 : 136,480.50 = 58,612.26 : x
  2. Step 2: Convert to fraction form
    98,905.32/136,480.50 = 58,612.26/x
  3. Step 3: Cross multiply
    98,905.32x = 136,480.50 × 58,612.26
  4. Step 4: Simplify right side
    98,905.32x = 7,999,430,550.93
  5. Step 5: Solve for x
    x = 7,999,430,550.93/98,905.32
  6. Step 6: Final answer
    x = 80,879.68

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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.