Home / 55,397.17-76,450.80-31,526.02

Finding the Fourth Proportional to 55,397.17, 76,450.80 and 31,526.02

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Solution

The fourth proportional to 55,397.17, 76,450.80 and 31,526.02 is: 43,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.17 : 76,450.80 = 31,526.02 : x
  2. Step 2: Convert to fraction form
    55,397.17/76,450.80 = 31,526.02/x
  3. Step 3: Cross multiply
    55,397.17x = 76,450.80 × 31,526.02
  4. Step 4: Simplify right side
    55,397.17x = 2,410,189,449.82
  5. Step 5: Solve for x
    x = 2,410,189,449.82/55,397.17
  6. Step 6: Final answer
    x = 43,507.45

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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.