Home / 97,789.02-134,925.72-55,347.55

Finding the Fourth Proportional to 97,789.02, 134,925.72 and 55,347.55

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Solution

The fourth proportional to 97,789.02, 134,925.72 and 55,347.55 is: 76,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.02 : 134,925.72 = 55,347.55 : x
  2. Step 2: Convert to fraction form
    97,789.02/134,925.72 = 55,347.55/x
  3. Step 3: Cross multiply
    97,789.02x = 134,925.72 × 55,347.55
  4. Step 4: Simplify right side
    97,789.02x = 7,467,808,559.41
  5. Step 5: Solve for x
    x = 7,467,808,559.41/97,789.02
  6. Step 6: Final answer
    x = 76,366.53

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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.