Home / 84,051.18-115,990.65-46,325.43

Finding the Fourth Proportional to 84,051.18, 115,990.65 and 46,325.43

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Solution

The fourth proportional to 84,051.18, 115,990.65 and 46,325.43 is: 63,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,051.18 : 115,990.65 = 46,325.43 : x
  2. Step 2: Convert to fraction form
    84,051.18/115,990.65 = 46,325.43/x
  3. Step 3: Cross multiply
    84,051.18x = 115,990.65 × 46,325.43
  4. Step 4: Simplify right side
    84,051.18x = 5,373,316,737.23
  5. Step 5: Solve for x
    x = 5,373,316,737.23/84,051.18
  6. Step 6: Final answer
    x = 63,929.11

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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.