Home / 99,281.14-137,009.02-53,959.12

Finding the Fourth Proportional to 99,281.14, 137,009.02 and 53,959.12

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Solution

The fourth proportional to 99,281.14, 137,009.02 and 53,959.12 is: 74,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.14 : 137,009.02 = 53,959.12 : x
  2. Step 2: Convert to fraction form
    99,281.14/137,009.02 = 53,959.12/x
  3. Step 3: Cross multiply
    99,281.14x = 137,009.02 × 53,959.12
  4. Step 4: Simplify right side
    99,281.14x = 7,392,885,673.84
  5. Step 5: Solve for x
    x = 7,392,885,673.84/99,281.14
  6. Step 6: Final answer
    x = 74,464.15

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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.