Home / 99,623.16-149,353.29-46,348.31

Finding the Fourth Proportional to 99,623.16, 149,353.29 and 46,348.31

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Solution

The fourth proportional to 99,623.16, 149,353.29 and 46,348.31 is: 69,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.16 : 149,353.29 = 46,348.31 : x
  2. Step 2: Convert to fraction form
    99,623.16/149,353.29 = 46,348.31/x
  3. Step 3: Cross multiply
    99,623.16x = 149,353.29 × 46,348.31
  4. Step 4: Simplify right side
    99,623.16x = 6,922,271,837.67
  5. Step 5: Solve for x
    x = 6,922,271,837.67/99,623.16
  6. Step 6: Final answer
    x = 69,484.56

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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.