Home / 145,050.50-217,570.91-59,658.40

Finding the Fourth Proportional to 145,050.50, 217,570.91 and 59,658.40

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Solution

The fourth proportional to 145,050.50, 217,570.91 and 59,658.40 is: 89,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,050.50 : 217,570.91 = 59,658.40 : x
  2. Step 2: Convert to fraction form
    145,050.50/217,570.91 = 59,658.40/x
  3. Step 3: Cross multiply
    145,050.50x = 217,570.91 × 59,658.40
  4. Step 4: Simplify right side
    145,050.50x = 12,979,932,078.85
  5. Step 5: Solve for x
    x = 12,979,932,078.85/145,050.50
  6. Step 6: Final answer
    x = 89,485.61

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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.