Home / 107,788.95-161,671.10-28,897.02

Finding the Fourth Proportional to 107,788.95, 161,671.10 and 28,897.02

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Solution

The fourth proportional to 107,788.95, 161,671.10 and 28,897.02 is: 43,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.95 : 161,671.10 = 28,897.02 : x
  2. Step 2: Convert to fraction form
    107,788.95/161,671.10 = 28,897.02/x
  3. Step 3: Cross multiply
    107,788.95x = 161,671.10 × 28,897.02
  4. Step 4: Simplify right side
    107,788.95x = 4,671,812,865.64
  5. Step 5: Solve for x
    x = 4,671,812,865.64/107,788.95
  6. Step 6: Final answer
    x = 43,342.22

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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.