Home / 74,973.26-103,465.49-40,981.01

Finding the Fourth Proportional to 74,973.26, 103,465.49 and 40,981.01

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Solution

The fourth proportional to 74,973.26, 103,465.49 and 40,981.01 is: 56,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.26 : 103,465.49 = 40,981.01 : x
  2. Step 2: Convert to fraction form
    74,973.26/103,465.49 = 40,981.01/x
  3. Step 3: Cross multiply
    74,973.26x = 103,465.49 × 40,981.01
  4. Step 4: Simplify right side
    74,973.26x = 4,240,119,865.47
  5. Step 5: Solve for x
    x = 4,240,119,865.47/74,973.26
  6. Step 6: Final answer
    x = 56,555.09

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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.