Home / 124,453.32-171,739.36-70,731.24

Finding the Fourth Proportional to 124,453.32, 171,739.36 and 70,731.24

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Solution

The fourth proportional to 124,453.32, 171,739.36 and 70,731.24 is: 97,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,453.32 : 171,739.36 = 70,731.24 : x
  2. Step 2: Convert to fraction form
    124,453.32/171,739.36 = 70,731.24/x
  3. Step 3: Cross multiply
    124,453.32x = 171,739.36 × 70,731.24
  4. Step 4: Simplify right side
    124,453.32x = 12,147,337,889.61
  5. Step 5: Solve for x
    x = 12,147,337,889.61/124,453.32
  6. Step 6: Final answer
    x = 97,605.58

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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.