Home / 104,008.32-143,531.46-56,261.70

Finding the Fourth Proportional to 104,008.32, 143,531.46 and 56,261.70

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Solution

The fourth proportional to 104,008.32, 143,531.46 and 56,261.70 is: 77,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.32 : 143,531.46 = 56,261.70 : x
  2. Step 2: Convert to fraction form
    104,008.32/143,531.46 = 56,261.70/x
  3. Step 3: Cross multiply
    104,008.32x = 143,531.46 × 56,261.70
  4. Step 4: Simplify right side
    104,008.32x = 8,075,323,943.08
  5. Step 5: Solve for x
    x = 8,075,323,943.08/104,008.32
  6. Step 6: Final answer
    x = 77,641.13

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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.