Home / 74,075.88-102,118.26-52,818.28

Finding the Fourth Proportional to 74,075.88, 102,118.26 and 52,818.28

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Solution

The fourth proportional to 74,075.88, 102,118.26 and 52,818.28 is: 72,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.88 : 102,118.26 = 52,818.28 : x
  2. Step 2: Convert to fraction form
    74,075.88/102,118.26 = 52,818.28/x
  3. Step 3: Cross multiply
    74,075.88x = 102,118.26 × 52,818.28
  4. Step 4: Simplify right side
    74,075.88x = 5,393,710,849.79
  5. Step 5: Solve for x
    x = 5,393,710,849.79/74,075.88
  6. Step 6: Final answer
    x = 72,813.32

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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.