Home / 104,056.42-143,598.23-56,309.75

Finding the Fourth Proportional to 104,056.42, 143,598.23 and 56,309.75

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Solution

The fourth proportional to 104,056.42, 143,598.23 and 56,309.75 is: 77,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,056.42 : 143,598.23 = 56,309.75 : x
  2. Step 2: Convert to fraction form
    104,056.42/143,598.23 = 56,309.75/x
  3. Step 3: Cross multiply
    104,056.42x = 143,598.23 × 56,309.75
  4. Step 4: Simplify right side
    104,056.42x = 8,085,980,720.35
  5. Step 5: Solve for x
    x = 8,085,980,720.35/104,056.42
  6. Step 6: Final answer
    x = 77,707.66

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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.