Home / 45,075.52-67,283.04-39,755.28

Finding the Fourth Proportional to 45,075.52, 67,283.04 and 39,755.28

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Solution

The fourth proportional to 45,075.52, 67,283.04 and 39,755.28 is: 59,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,075.52 : 67,283.04 = 39,755.28 : x
  2. Step 2: Convert to fraction form
    45,075.52/67,283.04 = 39,755.28/x
  3. Step 3: Cross multiply
    45,075.52x = 67,283.04 × 39,755.28
  4. Step 4: Simplify right side
    45,075.52x = 2,674,856,094.45
  5. Step 5: Solve for x
    x = 2,674,856,094.45/45,075.52
  6. Step 6: Final answer
    x = 59,341.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.