Home / 104,008.25-143,531.28-56,261.48

Finding the Fourth Proportional to 104,008.25, 143,531.28 and 56,261.48

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Solution

The fourth proportional to 104,008.25, 143,531.28 and 56,261.48 is: 77,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.25 : 143,531.28 = 56,261.48 : x
  2. Step 2: Convert to fraction form
    104,008.25/143,531.28 = 56,261.48/x
  3. Step 3: Cross multiply
    104,008.25x = 143,531.28 × 56,261.48
  4. Step 4: Simplify right side
    104,008.25x = 8,075,282,386.94
  5. Step 5: Solve for x
    x = 8,075,282,386.94/104,008.25
  6. Step 6: Final answer
    x = 77,640.79

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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.