Home / 71,053.32-98,053.60-39,222.24

Finding the Fourth Proportional to 71,053.32, 98,053.60 and 39,222.24

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Solution

The fourth proportional to 71,053.32, 98,053.60 and 39,222.24 is: 54,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.32 : 98,053.60 = 39,222.24 : x
  2. Step 2: Convert to fraction form
    71,053.32/98,053.60 = 39,222.24/x
  3. Step 3: Cross multiply
    71,053.32x = 98,053.60 × 39,222.24
  4. Step 4: Simplify right side
    71,053.32x = 3,845,881,832.06
  5. Step 5: Solve for x
    x = 3,845,881,832.06/71,053.32
  6. Step 6: Final answer
    x = 54,126.70

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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.