Home / 99,493.11-149,139.95-46,222.54

Finding the Fourth Proportional to 99,493.11, 149,139.95 and 46,222.54

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Solution

The fourth proportional to 99,493.11, 149,139.95 and 46,222.54 is: 69,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,493.11 : 149,139.95 = 46,222.54 : x
  2. Step 2: Convert to fraction form
    99,493.11/149,139.95 = 46,222.54/x
  3. Step 3: Cross multiply
    99,493.11x = 149,139.95 × 46,222.54
  4. Step 4: Simplify right side
    99,493.11x = 6,893,626,700.51
  5. Step 5: Solve for x
    x = 6,893,626,700.51/99,493.11
  6. Step 6: Final answer
    x = 69,287.48

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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.