Home / 124,442.48-171,730.80-67,853.86

Finding the Fourth Proportional to 124,442.48, 171,730.80 and 67,853.86

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Solution

The fourth proportional to 124,442.48, 171,730.80 and 67,853.86 is: 93,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.48 : 171,730.80 = 67,853.86 : x
  2. Step 2: Convert to fraction form
    124,442.48/171,730.80 = 67,853.86/x
  3. Step 3: Cross multiply
    124,442.48x = 171,730.80 × 67,853.86
  4. Step 4: Simplify right side
    124,442.48x = 11,652,597,660.89
  5. Step 5: Solve for x
    x = 11,652,597,660.89/124,442.48
  6. Step 6: Final answer
    x = 93,638.42

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1.5x scale

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.