Home / 56,571.03-78,050.45-32,688.99

Finding the Fourth Proportional to 56,571.03, 78,050.45 and 32,688.99

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Solution

The fourth proportional to 56,571.03, 78,050.45 and 32,688.99 is: 45,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571.03 : 78,050.45 = 32,688.99 : x
  2. Step 2: Convert to fraction form
    56,571.03/78,050.45 = 32,688.99/x
  3. Step 3: Cross multiply
    56,571.03x = 78,050.45 × 32,688.99
  4. Step 4: Simplify right side
    56,571.03x = 2,551,390,216.10
  5. Step 5: Solve for x
    x = 2,551,390,216.10/56,571.03
  6. Step 6: Final answer
    x = 45,100.65

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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.