Home / 104,260.44-143,875.55-56,512.76

Finding the Fourth Proportional to 104,260.44, 143,875.55 and 56,512.76

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Solution

The fourth proportional to 104,260.44, 143,875.55 and 56,512.76 is: 77,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.44 : 143,875.55 = 56,512.76 : x
  2. Step 2: Convert to fraction form
    104,260.44/143,875.55 = 56,512.76/x
  3. Step 3: Cross multiply
    104,260.44x = 143,875.55 × 56,512.76
  4. Step 4: Simplify right side
    104,260.44x = 8,130,805,142.34
  5. Step 5: Solve for x
    x = 8,130,805,142.34/104,260.44
  6. Step 6: Final answer
    x = 77,985.52

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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.