Home / 99,124.09-136,787.58-53,801.10

Finding the Fourth Proportional to 99,124.09, 136,787.58 and 53,801.10

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Solution

The fourth proportional to 99,124.09, 136,787.58 and 53,801.10 is: 74,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.09 : 136,787.58 = 53,801.10 : x
  2. Step 2: Convert to fraction form
    99,124.09/136,787.58 = 53,801.10/x
  3. Step 3: Cross multiply
    99,124.09x = 136,787.58 × 53,801.10
  4. Step 4: Simplify right side
    99,124.09x = 7,359,322,270.34
  5. Step 5: Solve for x
    x = 7,359,322,270.34/99,124.09
  6. Step 6: Final answer
    x = 74,243.53

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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.