Home / 92,756.14-139,011.19-48,420.18

Finding the Fourth Proportional to 92,756.14, 139,011.19 and 48,420.18

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Solution

The fourth proportional to 92,756.14, 139,011.19 and 48,420.18 is: 72,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,756.14 : 139,011.19 = 48,420.18 : x
  2. Step 2: Convert to fraction form
    92,756.14/139,011.19 = 48,420.18/x
  3. Step 3: Cross multiply
    92,756.14x = 139,011.19 × 48,420.18
  4. Step 4: Simplify right side
    92,756.14x = 6,730,946,720.76
  5. Step 5: Solve for x
    x = 6,730,946,720.76/92,756.14
  6. Step 6: Final answer
    x = 72,566.05

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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.