Home / 71,051.24-98,051.51-39,220.16

Finding the Fourth Proportional to 71,051.24, 98,051.51 and 39,220.16

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Solution

The fourth proportional to 71,051.24, 98,051.51 and 39,220.16 is: 54,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,051.24 : 98,051.51 = 39,220.16 : x
  2. Step 2: Convert to fraction form
    71,051.24/98,051.51 = 39,220.16/x
  3. Step 3: Cross multiply
    71,051.24x = 98,051.51 × 39,220.16
  4. Step 4: Simplify right side
    71,051.24x = 3,845,595,518.23
  5. Step 5: Solve for x
    x = 3,845,595,518.23/71,051.24
  6. Step 6: Final answer
    x = 54,124.25

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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.