Home / 70,371.33-97,123.77-40,157.93

Finding the Fourth Proportional to 70,371.33, 97,123.77 and 40,157.93

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Solution

The fourth proportional to 70,371.33, 97,123.77 and 40,157.93 is: 55,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.33 : 97,123.77 = 40,157.93 : x
  2. Step 2: Convert to fraction form
    70,371.33/97,123.77 = 40,157.93/x
  3. Step 3: Cross multiply
    70,371.33x = 97,123.77 × 40,157.93
  4. Step 4: Simplify right side
    70,371.33x = 3,900,289,071.38
  5. Step 5: Solve for x
    x = 3,900,289,071.38/70,371.33
  6. Step 6: Final answer
    x = 55,424.40

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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.