Home / 113,985.61-170,928.17-60,664.73

Finding the Fourth Proportional to 113,985.61, 170,928.17 and 60,664.73

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Solution

The fourth proportional to 113,985.61, 170,928.17 and 60,664.73 is: 90,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,985.61 : 170,928.17 = 60,664.73 : x
  2. Step 2: Convert to fraction form
    113,985.61/170,928.17 = 60,664.73/x
  3. Step 3: Cross multiply
    113,985.61x = 170,928.17 × 60,664.73
  4. Step 4: Simplify right side
    113,985.61x = 10,369,310,124.48
  5. Step 5: Solve for x
    x = 10,369,310,124.48/113,985.61
  6. Step 6: Final answer
    x = 90,970.35

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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.