Home / 104,056.28-143,598.05-56,309.63

Finding the Fourth Proportional to 104,056.28, 143,598.05 and 56,309.63

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Solution

The fourth proportional to 104,056.28, 143,598.05 and 56,309.63 is: 77,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,056.28 : 143,598.05 = 56,309.63 : x
  2. Step 2: Convert to fraction form
    104,056.28/143,598.05 = 56,309.63/x
  3. Step 3: Cross multiply
    104,056.28x = 143,598.05 × 56,309.63
  4. Step 4: Simplify right side
    104,056.28x = 8,085,952,064.68
  5. Step 5: Solve for x
    x = 8,085,952,064.68/104,056.28
  6. Step 6: Final answer
    x = 77,707.49

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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.