Home / 92,926.68-139,312.20-64,764.12

Finding the Fourth Proportional to 92,926.68, 139,312.20 and 64,764.12

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Solution

The fourth proportional to 92,926.68, 139,312.20 and 64,764.12 is: 97,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,926.68 : 139,312.20 = 64,764.12 : x
  2. Step 2: Convert to fraction form
    92,926.68/139,312.20 = 64,764.12/x
  3. Step 3: Cross multiply
    92,926.68x = 139,312.20 × 64,764.12
  4. Step 4: Simplify right side
    92,926.68x = 9,022,432,038.26
  5. Step 5: Solve for x
    x = 9,022,432,038.26/92,926.68
  6. Step 6: Final answer
    x = 97,091.94

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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.