Home / 56,590.19-78,089.90-32,718.41

Finding the Fourth Proportional to 56,590.19, 78,089.90 and 32,718.41

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Solution

The fourth proportional to 56,590.19, 78,089.90 and 32,718.41 is: 45,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,590.19 : 78,089.90 = 32,718.41 : x
  2. Step 2: Convert to fraction form
    56,590.19/78,089.90 = 32,718.41/x
  3. Step 3: Cross multiply
    56,590.19x = 78,089.90 × 32,718.41
  4. Step 4: Simplify right side
    56,590.19x = 2,554,977,365.06
  5. Step 5: Solve for x
    x = 2,554,977,365.06/56,590.19
  6. Step 6: Final answer
    x = 45,148.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.