Home / 99,719.34-149,495.12-46,384.22

Finding the Fourth Proportional to 99,719.34, 149,495.12 and 46,384.22

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Solution

The fourth proportional to 99,719.34, 149,495.12 and 46,384.22 is: 69,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,719.34 : 149,495.12 = 46,384.22 : x
  2. Step 2: Convert to fraction form
    99,719.34/149,495.12 = 46,384.22/x
  3. Step 3: Cross multiply
    99,719.34x = 149,495.12 × 46,384.22
  4. Step 4: Simplify right side
    99,719.34x = 6,934,214,535.01
  5. Step 5: Solve for x
    x = 6,934,214,535.01/99,719.34
  6. Step 6: Final answer
    x = 69,537.31

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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.