Home / 99,476.03-149,186.23-39,477.51

Finding the Fourth Proportional to 99,476.03, 149,186.23 and 39,477.51

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Solution

The fourth proportional to 99,476.03, 149,186.23 and 39,477.51 is: 59,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.03 : 149,186.23 = 39,477.51 : x
  2. Step 2: Convert to fraction form
    99,476.03/149,186.23 = 39,477.51/x
  3. Step 3: Cross multiply
    99,476.03x = 149,186.23 × 39,477.51
  4. Step 4: Simplify right side
    99,476.03x = 5,889,500,787.99
  5. Step 5: Solve for x
    x = 5,889,500,787.99/99,476.03
  6. Step 6: Final answer
    x = 59,205.22

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1.5x scale

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.