Home / 97,579.42-134,657.85-55,137.04

Finding the Fourth Proportional to 97,579.42, 134,657.85 and 55,137.04

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Solution

The fourth proportional to 97,579.42, 134,657.85 and 55,137.04 is: 76,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,579.42 : 134,657.85 = 55,137.04 : x
  2. Step 2: Convert to fraction form
    97,579.42/134,657.85 = 55,137.04/x
  3. Step 3: Cross multiply
    97,579.42x = 134,657.85 × 55,137.04
  4. Step 4: Simplify right side
    97,579.42x = 7,424,635,261.76
  5. Step 5: Solve for x
    x = 7,424,635,261.76/97,579.42
  6. Step 6: Final answer
    x = 76,088.13

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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.