Home / 56,974.03-78,623.87-31,482.16

Finding the Fourth Proportional to 56,974.03, 78,623.87 and 31,482.16

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Solution

The fourth proportional to 56,974.03, 78,623.87 and 31,482.16 is: 43,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.03 : 78,623.87 = 31,482.16 : x
  2. Step 2: Convert to fraction form
    56,974.03/78,623.87 = 31,482.16/x
  3. Step 3: Cross multiply
    56,974.03x = 78,623.87 × 31,482.16
  4. Step 4: Simplify right side
    56,974.03x = 2,475,248,790.62
  5. Step 5: Solve for x
    x = 2,475,248,790.62/56,974.03
  6. Step 6: Final answer
    x = 43,445.21

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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.