Home / 56,975.55-78,626.42-31,482.63

Finding the Fourth Proportional to 56,975.55, 78,626.42 and 31,482.63

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Solution

The fourth proportional to 56,975.55, 78,626.42 and 31,482.63 is: 43,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,975.55 : 78,626.42 = 31,482.63 : x
  2. Step 2: Convert to fraction form
    56,975.55/78,626.42 = 31,482.63/x
  3. Step 3: Cross multiply
    56,975.55x = 78,626.42 × 31,482.63
  4. Step 4: Simplify right side
    56,975.55x = 2,475,366,331.67
  5. Step 5: Solve for x
    x = 2,475,366,331.67/56,975.55
  6. Step 6: Final answer
    x = 43,446.12

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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.