Home / 74,465.36-102,762.76-40,473.84

Finding the Fourth Proportional to 74,465.36, 102,762.76 and 40,473.84

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Solution

The fourth proportional to 74,465.36, 102,762.76 and 40,473.84 is: 55,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.36 : 102,762.76 = 40,473.84 : x
  2. Step 2: Convert to fraction form
    74,465.36/102,762.76 = 40,473.84/x
  3. Step 3: Cross multiply
    74,465.36x = 102,762.76 × 40,473.84
  4. Step 4: Simplify right side
    74,465.36x = 4,159,203,506.20
  5. Step 5: Solve for x
    x = 4,159,203,506.20/74,465.36
  6. Step 6: Final answer
    x = 55,854.21

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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.