Home / 71,056.25-98,055.73-39,224.47

Finding the Fourth Proportional to 71,056.25, 98,055.73 and 39,224.47

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Solution

The fourth proportional to 71,056.25, 98,055.73 and 39,224.47 is: 54,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,056.25 : 98,055.73 = 39,224.47 : x
  2. Step 2: Convert to fraction form
    71,056.25/98,055.73 = 39,224.47/x
  3. Step 3: Cross multiply
    71,056.25x = 98,055.73 × 39,224.47
  4. Step 4: Simplify right side
    71,056.25x = 3,846,184,039.71
  5. Step 5: Solve for x
    x = 3,846,184,039.71/71,056.25
  6. Step 6: Final answer
    x = 54,128.72

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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.