Home / 124,485.36-171,785.52-70,772.64

Finding the Fourth Proportional to 124,485.36, 171,785.52 and 70,772.64

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Solution

The fourth proportional to 124,485.36, 171,785.52 and 70,772.64 is: 97,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485.36 : 171,785.52 = 70,772.64 : x
  2. Step 2: Convert to fraction form
    124,485.36/171,785.52 = 70,772.64/x
  3. Step 3: Cross multiply
    124,485.36x = 171,785.52 × 70,772.64
  4. Step 4: Simplify right side
    124,485.36x = 12,157,714,764.17
  5. Step 5: Solve for x
    x = 12,157,714,764.17/124,485.36
  6. Step 6: Final answer
    x = 97,663.81

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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.