Home / 98,561.30-136,014.64-53,239.28

Finding the Fourth Proportional to 98,561.30, 136,014.64 and 53,239.28

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Solution

The fourth proportional to 98,561.30, 136,014.64 and 53,239.28 is: 73,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561.30 : 136,014.64 = 53,239.28 : x
  2. Step 2: Convert to fraction form
    98,561.30/136,014.64 = 53,239.28/x
  3. Step 3: Cross multiply
    98,561.30x = 136,014.64 × 53,239.28
  4. Step 4: Simplify right side
    98,561.30x = 7,241,321,466.14
  5. Step 5: Solve for x
    x = 7,241,321,466.14/98,561.30
  6. Step 6: Final answer
    x = 73,470.23

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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.