Home / 99,260.16-136,979.58-53,938.52

Finding the Fourth Proportional to 99,260.16, 136,979.58 and 53,938.52

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Solution

The fourth proportional to 99,260.16, 136,979.58 and 53,938.52 is: 74,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260.16 : 136,979.58 = 53,938.52 : x
  2. Step 2: Convert to fraction form
    99,260.16/136,979.58 = 53,938.52/x
  3. Step 3: Cross multiply
    99,260.16x = 136,979.58 × 53,938.52
  4. Step 4: Simplify right side
    99,260.16x = 7,388,475,815.42
  5. Step 5: Solve for x
    x = 7,388,475,815.42/99,260.16
  6. Step 6: Final answer
    x = 74,435.46

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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.