Home / 96,579.84-133,280.64-54,140.16

Finding the Fourth Proportional to 96,579.84, 133,280.64 and 54,140.16

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Solution

The fourth proportional to 96,579.84, 133,280.64 and 54,140.16 is: 74,713.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,579.84 : 133,280.64 = 54,140.16 : x
  2. Step 2: Convert to fraction form
    96,579.84/133,280.64 = 54,140.16/x
  3. Step 3: Cross multiply
    96,579.84x = 133,280.64 × 54,140.16
  4. Step 4: Simplify right side
    96,579.84x = 7,215,835,174.50
  5. Step 5: Solve for x
    x = 7,215,835,174.50/96,579.84
  6. Step 6: Final answer
    x = 74,713.68

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1.5x scale

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.