Home / 104,071.32-143,618.85-56,324.66

Finding the Fourth Proportional to 104,071.32, 143,618.85 and 56,324.66

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Solution

The fourth proportional to 104,071.32, 143,618.85 and 56,324.66 is: 77,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.32 : 143,618.85 = 56,324.66 : x
  2. Step 2: Convert to fraction form
    104,071.32/143,618.85 = 56,324.66/x
  3. Step 3: Cross multiply
    104,071.32x = 143,618.85 × 56,324.66
  4. Step 4: Simplify right side
    104,071.32x = 8,089,282,395.98
  5. Step 5: Solve for x
    x = 8,089,282,395.98/104,071.32
  6. Step 6: Final answer
    x = 77,728.26

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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.