Home / 99,904.04-149,929.80-47,313.44

Finding the Fourth Proportional to 99,904.04, 149,929.80 and 47,313.44

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Solution

The fourth proportional to 99,904.04, 149,929.80 and 47,313.44 is: 71,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904.04 : 149,929.80 = 47,313.44 : x
  2. Step 2: Convert to fraction form
    99,904.04/149,929.80 = 47,313.44/x
  3. Step 3: Cross multiply
    99,904.04x = 149,929.80 × 47,313.44
  4. Step 4: Simplify right side
    99,904.04x = 7,093,694,596.51
  5. Step 5: Solve for x
    x = 7,093,694,596.51/99,904.04
  6. Step 6: Final answer
    x = 71,005.08

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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.