Home / 99,277.40-148,916.10-52,621.40

Finding the Fourth Proportional to 99,277.40, 148,916.10 and 52,621.40

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Solution

The fourth proportional to 99,277.40, 148,916.10 and 52,621.40 is: 78,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.40 : 148,916.10 = 52,621.40 : x
  2. Step 2: Convert to fraction form
    99,277.40/148,916.10 = 52,621.40/x
  3. Step 3: Cross multiply
    99,277.40x = 148,916.10 × 52,621.40
  4. Step 4: Simplify right side
    99,277.40x = 7,836,173,664.54
  5. Step 5: Solve for x
    x = 7,836,173,664.54/99,277.40
  6. Step 6: Final answer
    x = 78,932.10

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1.5x scale

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.