Home / 104,014.16-143,539.38-56,267.36

Finding the Fourth Proportional to 104,014.16, 143,539.38 and 56,267.36

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Solution

The fourth proportional to 104,014.16, 143,539.38 and 56,267.36 is: 77,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,014.16 : 143,539.38 = 56,267.36 : x
  2. Step 2: Convert to fraction form
    104,014.16/143,539.38 = 56,267.36/x
  3. Step 3: Cross multiply
    104,014.16x = 143,539.38 × 56,267.36
  4. Step 4: Simplify right side
    104,014.16x = 8,076,581,968.64
  5. Step 5: Solve for x
    x = 8,076,581,968.64/104,014.16
  6. Step 6: Final answer
    x = 77,648.87

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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.