Home / 124,373.08-171,635-67,784.52

Finding the Fourth Proportional to 124,373.08, 171,635 and 67,784.52

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Solution

The fourth proportional to 124,373.08, 171,635 and 67,784.52 is: 93,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.08 : 171,635 = 67,784.52 : x
  2. Step 2: Convert to fraction form
    124,373.08/171,635 = 67,784.52/x
  3. Step 3: Cross multiply
    124,373.08x = 171,635 × 67,784.52
  4. Step 4: Simplify right side
    124,373.08x = 11,634,196,090.20
  5. Step 5: Solve for x
    x = 11,634,196,090.20/124,373.08
  6. Step 6: Final answer
    x = 93,542.72

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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.