Home / 98,681.09-136,179.99-53,359.04

Finding the Fourth Proportional to 98,681.09, 136,179.99 and 53,359.04

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Solution

The fourth proportional to 98,681.09, 136,179.99 and 53,359.04 is: 73,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681.09 : 136,179.99 = 53,359.04 : x
  2. Step 2: Convert to fraction form
    98,681.09/136,179.99 = 53,359.04/x
  3. Step 3: Cross multiply
    98,681.09x = 136,179.99 × 53,359.04
  4. Step 4: Simplify right side
    98,681.09x = 7,266,433,874.06
  5. Step 5: Solve for x
    x = 7,266,433,874.06/98,681.09
  6. Step 6: Final answer
    x = 73,635.53

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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.