Home / 289,050.72-433,565.66-75,816.93

Finding the Fourth Proportional to 289,050.72, 433,565.66 and 75,816.93

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Solution

The fourth proportional to 289,050.72, 433,565.66 and 75,816.93 is: 113,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,050.72 : 433,565.66 = 75,816.93 : x
  2. Step 2: Convert to fraction form
    289,050.72/433,565.66 = 75,816.93/x
  3. Step 3: Cross multiply
    289,050.72x = 433,565.66 × 75,816.93
  4. Step 4: Simplify right side
    289,050.72x = 32,871,617,294.62
  5. Step 5: Solve for x
    x = 32,871,617,294.62/289,050.72
  6. Step 6: Final answer
    x = 113,722.66

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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.