Home / 56,130.44-84,075.94-45,410.80

Finding the Fourth Proportional to 56,130.44, 84,075.94 and 45,410.80

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Solution

The fourth proportional to 56,130.44, 84,075.94 and 45,410.80 is: 68,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.44 : 84,075.94 = 45,410.80 : x
  2. Step 2: Convert to fraction form
    56,130.44/84,075.94 = 45,410.80/x
  3. Step 3: Cross multiply
    56,130.44x = 84,075.94 × 45,410.80
  4. Step 4: Simplify right side
    56,130.44x = 3,817,955,696.15
  5. Step 5: Solve for x
    x = 3,817,955,696.15/56,130.44
  6. Step 6: Final answer
    x = 68,019.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.