Home / 71,166.06-98,216.28-61,127.64

Finding the Fourth Proportional to 71,166.06, 98,216.28 and 61,127.64

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Solution

The fourth proportional to 71,166.06, 98,216.28 and 61,127.64 is: 84,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,166.06 : 98,216.28 = 61,127.64 : x
  2. Step 2: Convert to fraction form
    71,166.06/98,216.28 = 61,127.64/x
  3. Step 3: Cross multiply
    71,166.06x = 98,216.28 × 61,127.64
  4. Step 4: Simplify right side
    71,166.06x = 6,003,729,405.98
  5. Step 5: Solve for x
    x = 6,003,729,405.98/71,166.06
  6. Step 6: Final answer
    x = 84,362.26

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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.