Home / 118,587.42-163,654.70-67,607.73

Finding the Fourth Proportional to 118,587.42, 163,654.70 and 67,607.73

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Solution

The fourth proportional to 118,587.42, 163,654.70 and 67,607.73 is: 93,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.42 : 163,654.70 = 67,607.73 : x
  2. Step 2: Convert to fraction form
    118,587.42/163,654.70 = 67,607.73/x
  3. Step 3: Cross multiply
    118,587.42x = 163,654.70 × 67,607.73
  4. Step 4: Simplify right side
    118,587.42x = 11,064,322,432.79
  5. Step 5: Solve for x
    x = 11,064,322,432.79/118,587.42
  6. Step 6: Final answer
    x = 93,300.98

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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.