Home / 92,927.40-139,500.45-92,271.30

Finding the Fourth Proportional to 92,927.40, 139,500.45 and 92,271.30

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Solution

The fourth proportional to 92,927.40, 139,500.45 and 92,271.30 is: 138,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.40 : 139,500.45 = 92,271.30 : x
  2. Step 2: Convert to fraction form
    92,927.40/139,500.45 = 92,271.30/x
  3. Step 3: Cross multiply
    92,927.40x = 139,500.45 × 92,271.30
  4. Step 4: Simplify right side
    92,927.40x = 12,871,887,872.09
  5. Step 5: Solve for x
    x = 12,871,887,872.09/92,927.40
  6. Step 6: Final answer
    x = 138,515.53

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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.