Home / 92,823.75-139,213.29-42,855.84

Finding the Fourth Proportional to 92,823.75, 139,213.29 and 42,855.84

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Solution

The fourth proportional to 92,823.75, 139,213.29 and 42,855.84 is: 64,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.75 : 139,213.29 = 42,855.84 : x
  2. Step 2: Convert to fraction form
    92,823.75/139,213.29 = 42,855.84/x
  3. Step 3: Cross multiply
    92,823.75x = 139,213.29 × 42,855.84
  4. Step 4: Simplify right side
    92,823.75x = 5,966,102,482.11
  5. Step 5: Solve for x
    x = 5,966,102,482.11/92,823.75
  6. Step 6: Final answer
    x = 64,273.45

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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.