Home / 58,528.66-80,778.01-38,415.55

Finding the Fourth Proportional to 58,528.66, 80,778.01 and 38,415.55

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Solution

The fourth proportional to 58,528.66, 80,778.01 and 38,415.55 is: 53,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,528.66 : 80,778.01 = 38,415.55 : x
  2. Step 2: Convert to fraction form
    58,528.66/80,778.01 = 38,415.55/x
  3. Step 3: Cross multiply
    58,528.66x = 80,778.01 × 38,415.55
  4. Step 4: Simplify right side
    58,528.66x = 3,103,131,384.07
  5. Step 5: Solve for x
    x = 3,103,131,384.07/58,528.66
  6. Step 6: Final answer
    x = 53,019.01

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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.