Home / 103,968.87-143,477.04-56,222.22

Finding the Fourth Proportional to 103,968.87, 143,477.04 and 56,222.22

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Solution

The fourth proportional to 103,968.87, 143,477.04 and 56,222.22 is: 77,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968.87 : 143,477.04 = 56,222.22 : x
  2. Step 2: Convert to fraction form
    103,968.87/143,477.04 = 56,222.22/x
  3. Step 3: Cross multiply
    103,968.87x = 143,477.04 × 56,222.22
  4. Step 4: Simplify right side
    103,968.87x = 8,066,597,707.83
  5. Step 5: Solve for x
    x = 8,066,597,707.83/103,968.87
  6. Step 6: Final answer
    x = 77,586.66

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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.