Home / 102,037.06-153,071.37-52,090.06

Finding the Fourth Proportional to 102,037.06, 153,071.37 and 52,090.06

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Solution

The fourth proportional to 102,037.06, 153,071.37 and 52,090.06 is: 78,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,037.06 : 153,071.37 = 52,090.06 : x
  2. Step 2: Convert to fraction form
    102,037.06/153,071.37 = 52,090.06/x
  3. Step 3: Cross multiply
    102,037.06x = 153,071.37 × 52,090.06
  4. Step 4: Simplify right side
    102,037.06x = 7,973,496,847.58
  5. Step 5: Solve for x
    x = 7,973,496,847.58/102,037.06
  6. Step 6: Final answer
    x = 78,143.15

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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.