Home / 98,541.24-135,986.70-53,829.24

Finding the Fourth Proportional to 98,541.24, 135,986.70 and 53,829.24

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Solution

The fourth proportional to 98,541.24, 135,986.70 and 53,829.24 is: 74,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,541.24 : 135,986.70 = 53,829.24 : x
  2. Step 2: Convert to fraction form
    98,541.24/135,986.70 = 53,829.24/x
  3. Step 3: Cross multiply
    98,541.24x = 135,986.70 × 53,829.24
  4. Step 4: Simplify right side
    98,541.24x = 7,320,060,711.11
  5. Step 5: Solve for x
    x = 7,320,060,711.11/98,541.24
  6. Step 6: Final answer
    x = 74,284.24

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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.