Home / 99,904.02-149,929.96-47,313.60

Finding the Fourth Proportional to 99,904.02, 149,929.96 and 47,313.60

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Solution

The fourth proportional to 99,904.02, 149,929.96 and 47,313.60 is: 71,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904.02 : 149,929.96 = 47,313.60 : x
  2. Step 2: Convert to fraction form
    99,904.02/149,929.96 = 47,313.60/x
  3. Step 3: Cross multiply
    99,904.02x = 149,929.96 × 47,313.60
  4. Step 4: Simplify right side
    99,904.02x = 7,093,726,155.46
  5. Step 5: Solve for x
    x = 7,093,726,155.46/99,904.02
  6. Step 6: Final answer
    x = 71,005.41

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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.