Home / 66,075.60-99,095.13-18,686.97

Finding the Fourth Proportional to 66,075.60, 99,095.13 and 18,686.97

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Solution

The fourth proportional to 66,075.60, 99,095.13 and 18,686.97 is: 28,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.60 : 99,095.13 = 18,686.97 : x
  2. Step 2: Convert to fraction form
    66,075.60/99,095.13 = 18,686.97/x
  3. Step 3: Cross multiply
    66,075.60x = 99,095.13 × 18,686.97
  4. Step 4: Simplify right side
    66,075.60x = 1,851,787,721.46
  5. Step 5: Solve for x
    x = 1,851,787,721.46/66,075.60
  6. Step 6: Final answer
    x = 28,025.29

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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.