Home / 99,862.08-149,751.54-40,657.56

Finding the Fourth Proportional to 99,862.08, 149,751.54 and 40,657.56

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Solution

The fourth proportional to 99,862.08, 149,751.54 and 40,657.56 is: 60,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862.08 : 149,751.54 = 40,657.56 : x
  2. Step 2: Convert to fraction form
    99,862.08/149,751.54 = 40,657.56/x
  3. Step 3: Cross multiply
    99,862.08x = 149,751.54 × 40,657.56
  4. Step 4: Simplify right side
    99,862.08x = 6,088,532,222.64
  5. Step 5: Solve for x
    x = 6,088,532,222.64/99,862.08
  6. Step 6: Final answer
    x = 60,969.41

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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.