Home / 92,561.45-138,657.18-42,573.00

Finding the Fourth Proportional to 92,561.45, 138,657.18 and 42,573.00

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Solution

The fourth proportional to 92,561.45, 138,657.18 and 42,573.00 is: 63,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,561.45 : 138,657.18 = 42,573.00 : x
  2. Step 2: Convert to fraction form
    92,561.45/138,657.18 = 42,573.00/x
  3. Step 3: Cross multiply
    92,561.45x = 138,657.18 × 42,573.00
  4. Step 4: Simplify right side
    92,561.45x = 5,903,052,803.75
  5. Step 5: Solve for x
    x = 5,903,052,803.75/92,561.45
  6. Step 6: Final answer
    x = 63,774.42

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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.