Home / 58,519.81-80,756.75-31,661.74

Finding the Fourth Proportional to 58,519.81, 80,756.75 and 31,661.74

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Solution

The fourth proportional to 58,519.81, 80,756.75 and 31,661.74 is: 43,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,519.81 : 80,756.75 = 31,661.74 : x
  2. Step 2: Convert to fraction form
    58,519.81/80,756.75 = 31,661.74/x
  3. Step 3: Cross multiply
    58,519.81x = 80,756.75 × 31,661.74
  4. Step 4: Simplify right side
    58,519.81x = 2,556,899,099.01
  5. Step 5: Solve for x
    x = 2,556,899,099.01/58,519.81
  6. Step 6: Final answer
    x = 43,692.88

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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.