Home / 98,860.08-136,426.70-53,538.05

Finding the Fourth Proportional to 98,860.08, 136,426.70 and 53,538.05

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Solution

The fourth proportional to 98,860.08, 136,426.70 and 53,538.05 is: 73,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,860.08 : 136,426.70 = 53,538.05 : x
  2. Step 2: Convert to fraction form
    98,860.08/136,426.70 = 53,538.05/x
  3. Step 3: Cross multiply
    98,860.08x = 136,426.70 × 53,538.05
  4. Step 4: Simplify right side
    98,860.08x = 7,304,019,193.45
  5. Step 5: Solve for x
    x = 7,304,019,193.45/98,860.08
  6. Step 6: Final answer
    x = 73,882.39

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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.