Home / 74,996.12-103,515.18-46,685

Finding the Fourth Proportional to 74,996.12, 103,515.18 and 46,685

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Solution

The fourth proportional to 74,996.12, 103,515.18 and 46,685 is: 64,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,996.12 : 103,515.18 = 46,685 : x
  2. Step 2: Convert to fraction form
    74,996.12/103,515.18 = 46,685/x
  3. Step 3: Cross multiply
    74,996.12x = 103,515.18 × 46,685
  4. Step 4: Simplify right side
    74,996.12x = 4,832,606,178.30
  5. Step 5: Solve for x
    x = 4,832,606,178.30/74,996.12
  6. Step 6: Final answer
    x = 64,438.08

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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.