Home / 97,669.74-134,759.93-56,840.56

Finding the Fourth Proportional to 97,669.74, 134,759.93 and 56,840.56

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Solution

The fourth proportional to 97,669.74, 134,759.93 and 56,840.56 is: 78,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,669.74 : 134,759.93 = 56,840.56 : x
  2. Step 2: Convert to fraction form
    97,669.74/134,759.93 = 56,840.56/x
  3. Step 3: Cross multiply
    97,669.74x = 134,759.93 × 56,840.56
  4. Step 4: Simplify right side
    97,669.74x = 7,659,829,886.76
  5. Step 5: Solve for x
    x = 7,659,829,886.76/97,669.74
  6. Step 6: Final answer
    x = 78,425.83

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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.