Home / 71,054.86-98,056.38-39,223.08

Finding the Fourth Proportional to 71,054.86, 98,056.38 and 39,223.08

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Solution

The fourth proportional to 71,054.86, 98,056.38 and 39,223.08 is: 54,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,054.86 : 98,056.38 = 39,223.08 : x
  2. Step 2: Convert to fraction form
    71,054.86/98,056.38 = 39,223.08/x
  3. Step 3: Cross multiply
    71,054.86x = 98,056.38 × 39,223.08
  4. Step 4: Simplify right side
    71,054.86x = 3,846,073,237.25
  5. Step 5: Solve for x
    x = 3,846,073,237.25/71,054.86
  6. Step 6: Final answer
    x = 54,128.22

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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.