Home / 96,916.16-133,724.70-56,622.14

Finding the Fourth Proportional to 96,916.16, 133,724.70 and 56,622.14

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Solution

The fourth proportional to 96,916.16, 133,724.70 and 56,622.14 is: 78,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,916.16 : 133,724.70 = 56,622.14 : x
  2. Step 2: Convert to fraction form
    96,916.16/133,724.70 = 56,622.14/x
  3. Step 3: Cross multiply
    96,916.16x = 133,724.70 × 56,622.14
  4. Step 4: Simplify right side
    96,916.16x = 7,571,778,401.75
  5. Step 5: Solve for x
    x = 7,571,778,401.75/96,916.16
  6. Step 6: Final answer
    x = 78,127.10

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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.