Home / 92,621.40-139,061.70-57,629.40

Finding the Fourth Proportional to 92,621.40, 139,061.70 and 57,629.40

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Solution

The fourth proportional to 92,621.40, 139,061.70 and 57,629.40 is: 86,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.40 : 139,061.70 = 57,629.40 : x
  2. Step 2: Convert to fraction form
    92,621.40/139,061.70 = 57,629.40/x
  3. Step 3: Cross multiply
    92,621.40x = 139,061.70 × 57,629.40
  4. Step 4: Simplify right side
    92,621.40x = 8,014,042,333.98
  5. Step 5: Solve for x
    x = 8,014,042,333.98/92,621.40
  6. Step 6: Final answer
    x = 86,524.74

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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.