Home / 56,378.99-77,783.69-32,162.55

Finding the Fourth Proportional to 56,378.99, 77,783.69 and 32,162.55

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Solution

The fourth proportional to 56,378.99, 77,783.69 and 32,162.55 is: 44,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.99 : 77,783.69 = 32,162.55 : x
  2. Step 2: Convert to fraction form
    56,378.99/77,783.69 = 32,162.55/x
  3. Step 3: Cross multiply
    56,378.99x = 77,783.69 × 32,162.55
  4. Step 4: Simplify right side
    56,378.99x = 2,501,721,658.00
  5. Step 5: Solve for x
    x = 2,501,721,658.00/56,378.99
  6. Step 6: Final answer
    x = 44,373.30

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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.