Home / 99,689.02-149,541.62-29,568.13

Finding the Fourth Proportional to 99,689.02, 149,541.62 and 29,568.13

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Solution

The fourth proportional to 99,689.02, 149,541.62 and 29,568.13 is: 44,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689.02 : 149,541.62 = 29,568.13 : x
  2. Step 2: Convert to fraction form
    99,689.02/149,541.62 = 29,568.13/x
  3. Step 3: Cross multiply
    99,689.02x = 149,541.62 × 29,568.13
  4. Step 4: Simplify right side
    99,689.02x = 4,421,666,060.57
  5. Step 5: Solve for x
    x = 4,421,666,060.57/99,689.02
  6. Step 6: Final answer
    x = 44,354.59

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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.