Home / 105,587.73-158,432.88-46,415.73

Finding the Fourth Proportional to 105,587.73, 158,432.88 and 46,415.73

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Solution

The fourth proportional to 105,587.73, 158,432.88 and 46,415.73 is: 69,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587.73 : 158,432.88 = 46,415.73 : x
  2. Step 2: Convert to fraction form
    105,587.73/158,432.88 = 46,415.73/x
  3. Step 3: Cross multiply
    105,587.73x = 158,432.88 × 46,415.73
  4. Step 4: Simplify right side
    105,587.73x = 7,353,777,781.20
  5. Step 5: Solve for x
    x = 7,353,777,781.20/105,587.73
  6. Step 6: Final answer
    x = 69,646.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.