Home / 74,012.86-102,114.40-45,302.56

Finding the Fourth Proportional to 74,012.86, 102,114.40 and 45,302.56

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Solution

The fourth proportional to 74,012.86, 102,114.40 and 45,302.56 is: 62,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,012.86 : 102,114.40 = 45,302.56 : x
  2. Step 2: Convert to fraction form
    74,012.86/102,114.40 = 45,302.56/x
  3. Step 3: Cross multiply
    74,012.86x = 102,114.40 × 45,302.56
  4. Step 4: Simplify right side
    74,012.86x = 4,626,043,732.86
  5. Step 5: Solve for x
    x = 4,626,043,732.86/74,012.86
  6. Step 6: Final answer
    x = 62,503.24

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1.5x scale

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.