Home / 93,864.15-141,195.77-85,085.34

Finding the Fourth Proportional to 93,864.15, 141,195.77 and 85,085.34

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Solution

The fourth proportional to 93,864.15, 141,195.77 and 85,085.34 is: 127,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,864.15 : 141,195.77 = 85,085.34 : x
  2. Step 2: Convert to fraction form
    93,864.15/141,195.77 = 85,085.34/x
  3. Step 3: Cross multiply
    93,864.15x = 141,195.77 × 85,085.34
  4. Step 4: Simplify right side
    93,864.15x = 12,013,690,097.01
  5. Step 5: Solve for x
    x = 12,013,690,097.01/93,864.15
  6. Step 6: Final answer
    x = 127,990.19

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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.