Home / 92,320.99-138,426.08-42,338.47

Finding the Fourth Proportional to 92,320.99, 138,426.08 and 42,338.47

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Solution

The fourth proportional to 92,320.99, 138,426.08 and 42,338.47 is: 63,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,320.99 : 138,426.08 = 42,338.47 : x
  2. Step 2: Convert to fraction form
    92,320.99/138,426.08 = 42,338.47/x
  3. Step 3: Cross multiply
    92,320.99x = 138,426.08 × 42,338.47
  4. Step 4: Simplify right side
    92,320.99x = 5,860,748,435.30
  5. Step 5: Solve for x
    x = 5,860,748,435.30/92,320.99
  6. Step 6: Final answer
    x = 63,482.30

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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.