Home / 99,565.04-149,323.98-28,485.50

Finding the Fourth Proportional to 99,565.04, 149,323.98 and 28,485.50

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Solution

The fourth proportional to 99,565.04, 149,323.98 and 28,485.50 is: 42,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,565.04 : 149,323.98 = 28,485.50 : x
  2. Step 2: Convert to fraction form
    99,565.04/149,323.98 = 28,485.50/x
  3. Step 3: Cross multiply
    99,565.04x = 149,323.98 × 28,485.50
  4. Step 4: Simplify right side
    99,565.04x = 4,253,568,232.29
  5. Step 5: Solve for x
    x = 4,253,568,232.29/99,565.04
  6. Step 6: Final answer
    x = 42,721.50

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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.