Home / 99,318.15-148,973.58-32,756.40

Finding the Fourth Proportional to 99,318.15, 148,973.58 and 32,756.40

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Solution

The fourth proportional to 99,318.15, 148,973.58 and 32,756.40 is: 49,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,318.15 : 148,973.58 = 32,756.40 : x
  2. Step 2: Convert to fraction form
    99,318.15/148,973.58 = 32,756.40/x
  3. Step 3: Cross multiply
    99,318.15x = 148,973.58 × 32,756.40
  4. Step 4: Simplify right side
    99,318.15x = 4,879,838,175.91
  5. Step 5: Solve for x
    x = 4,879,838,175.91/99,318.15
  6. Step 6: Final answer
    x = 49,133.40

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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.