Home / 99,652.73-149,312.70-70,017.53

Finding the Fourth Proportional to 99,652.73, 149,312.70 and 70,017.53

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Solution

The fourth proportional to 99,652.73, 149,312.70 and 70,017.53 is: 104,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652.73 : 149,312.70 = 70,017.53 : x
  2. Step 2: Convert to fraction form
    99,652.73/149,312.70 = 70,017.53/x
  3. Step 3: Cross multiply
    99,652.73x = 149,312.70 × 70,017.53
  4. Step 4: Simplify right side
    99,652.73x = 10,454,505,705.07
  5. Step 5: Solve for x
    x = 10,454,505,705.07/99,652.73
  6. Step 6: Final answer
    x = 104,909.38

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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.