Home / 84,742.47-127,155.41-59,941.89

Finding the Fourth Proportional to 84,742.47, 127,155.41 and 59,941.89

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Solution

The fourth proportional to 84,742.47, 127,155.41 and 59,941.89 is: 89,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.47 : 127,155.41 = 59,941.89 : x
  2. Step 2: Convert to fraction form
    84,742.47/127,155.41 = 59,941.89/x
  3. Step 3: Cross multiply
    84,742.47x = 127,155.41 × 59,941.89
  4. Step 4: Simplify right side
    84,742.47x = 7,621,935,599.12
  5. Step 5: Solve for x
    x = 7,621,935,599.12/84,742.47
  6. Step 6: Final answer
    x = 89,942.33

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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.