Home / 107,467.76-161,157.40-46,681.92

Finding the Fourth Proportional to 107,467.76, 161,157.40 and 46,681.92

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Solution

The fourth proportional to 107,467.76, 161,157.40 and 46,681.92 is: 70,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,467.76 : 161,157.40 = 46,681.92 : x
  2. Step 2: Convert to fraction form
    107,467.76/161,157.40 = 46,681.92/x
  3. Step 3: Cross multiply
    107,467.76x = 161,157.40 × 46,681.92
  4. Step 4: Simplify right side
    107,467.76x = 7,523,136,737.50
  5. Step 5: Solve for x
    x = 7,523,136,737.50/107,467.76
  6. Step 6: Final answer
    x = 70,003.66

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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.