Home / 56,849.24-78,450.02-31,356.62

Finding the Fourth Proportional to 56,849.24, 78,450.02 and 31,356.62

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Solution

The fourth proportional to 56,849.24, 78,450.02 and 31,356.62 is: 43,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.24 : 78,450.02 = 31,356.62 : x
  2. Step 2: Convert to fraction form
    56,849.24/78,450.02 = 31,356.62/x
  3. Step 3: Cross multiply
    56,849.24x = 78,450.02 × 31,356.62
  4. Step 4: Simplify right side
    56,849.24x = 2,459,927,328.87
  5. Step 5: Solve for x
    x = 2,459,927,328.87/56,849.24
  6. Step 6: Final answer
    x = 43,271.07

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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.