Home / 112,931.33-169,353.96-38,031.38

Finding the Fourth Proportional to 112,931.33, 169,353.96 and 38,031.38

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Solution

The fourth proportional to 112,931.33, 169,353.96 and 38,031.38 is: 57,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,931.33 : 169,353.96 = 38,031.38 : x
  2. Step 2: Convert to fraction form
    112,931.33/169,353.96 = 38,031.38/x
  3. Step 3: Cross multiply
    112,931.33x = 169,353.96 × 38,031.38
  4. Step 4: Simplify right side
    112,931.33x = 6,440,764,807.26
  5. Step 5: Solve for x
    x = 6,440,764,807.26/112,931.33
  6. Step 6: Final answer
    x = 57,032.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.