Home / 97,145.53-134,043.05-54,123.93

Finding the Fourth Proportional to 97,145.53, 134,043.05 and 54,123.93

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Solution

The fourth proportional to 97,145.53, 134,043.05 and 54,123.93 is: 74,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,145.53 : 134,043.05 = 54,123.93 : x
  2. Step 2: Convert to fraction form
    97,145.53/134,043.05 = 54,123.93/x
  3. Step 3: Cross multiply
    97,145.53x = 134,043.05 × 54,123.93
  4. Step 4: Simplify right side
    97,145.53x = 7,254,936,790.50
  5. Step 5: Solve for x
    x = 7,254,936,790.50/97,145.53
  6. Step 6: Final answer
    x = 74,681.12

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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.