Home / 97,462.36-134,499.16-57,176.81

Finding the Fourth Proportional to 97,462.36, 134,499.16 and 57,176.81

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Solution

The fourth proportional to 97,462.36, 134,499.16 and 57,176.81 is: 78,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,462.36 : 134,499.16 = 57,176.81 : x
  2. Step 2: Convert to fraction form
    97,462.36/134,499.16 = 57,176.81/x
  3. Step 3: Cross multiply
    97,462.36x = 134,499.16 × 57,176.81
  4. Step 4: Simplify right side
    97,462.36x = 7,690,232,916.48
  5. Step 5: Solve for x
    x = 7,690,232,916.48/97,462.36
  6. Step 6: Final answer
    x = 78,904.64

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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.