Home / 58,331.79-80,378.46-54,657.63

Finding the Fourth Proportional to 58,331.79, 80,378.46 and 54,657.63

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Solution

The fourth proportional to 58,331.79, 80,378.46 and 54,657.63 is: 75,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.79 : 80,378.46 = 54,657.63 : x
  2. Step 2: Convert to fraction form
    58,331.79/80,378.46 = 54,657.63/x
  3. Step 3: Cross multiply
    58,331.79x = 80,378.46 × 54,657.63
  4. Step 4: Simplify right side
    58,331.79x = 4,393,296,126.65
  5. Step 5: Solve for x
    x = 4,393,296,126.65/58,331.79
  6. Step 6: Final answer
    x = 75,315.64

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1.5x scale

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.