Home / 99,488.08-149,248.32-29,374.48

Finding the Fourth Proportional to 99,488.08, 149,248.32 and 29,374.48

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Solution

The fourth proportional to 99,488.08, 149,248.32 and 29,374.48 is: 44,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,488.08 : 149,248.32 = 29,374.48 : x
  2. Step 2: Convert to fraction form
    99,488.08/149,248.32 = 29,374.48/x
  3. Step 3: Cross multiply
    99,488.08x = 149,248.32 × 29,374.48
  4. Step 4: Simplify right side
    99,488.08x = 4,384,091,790.87
  5. Step 5: Solve for x
    x = 4,384,091,790.87/99,488.08
  6. Step 6: Final answer
    x = 44,066.50

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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.