Home / 115,048.40-172,597.24-65,152.08

Finding the Fourth Proportional to 115,048.40, 172,597.24 and 65,152.08

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Solution

The fourth proportional to 115,048.40, 172,597.24 and 65,152.08 is: 97,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,048.40 : 172,597.24 = 65,152.08 : x
  2. Step 2: Convert to fraction form
    115,048.40/172,597.24 = 65,152.08/x
  3. Step 3: Cross multiply
    115,048.40x = 172,597.24 × 65,152.08
  4. Step 4: Simplify right side
    115,048.40x = 11,245,069,188.26
  5. Step 5: Solve for x
    x = 11,245,069,188.26/115,048.40
  6. Step 6: Final answer
    x = 97,742.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.