Home / 99,569.04-149,329.98-28,489.50

Finding the Fourth Proportional to 99,569.04, 149,329.98 and 28,489.50

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Solution

The fourth proportional to 99,569.04, 149,329.98 and 28,489.50 is: 42,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,569.04 : 149,329.98 = 28,489.50 : x
  2. Step 2: Convert to fraction form
    99,569.04/149,329.98 = 28,489.50/x
  3. Step 3: Cross multiply
    99,569.04x = 149,329.98 × 28,489.50
  4. Step 4: Simplify right side
    99,569.04x = 4,254,336,465.21
  5. Step 5: Solve for x
    x = 4,254,336,465.21/99,569.04
  6. Step 6: Final answer
    x = 42,727.50

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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.