Home / 74,435.37-102,721.23-40,444.13

Finding the Fourth Proportional to 74,435.37, 102,721.23 and 40,444.13

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Solution

The fourth proportional to 74,435.37, 102,721.23 and 40,444.13 is: 55,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.37 : 102,721.23 = 40,444.13 : x
  2. Step 2: Convert to fraction form
    74,435.37/102,721.23 = 40,444.13/x
  3. Step 3: Cross multiply
    74,435.37x = 102,721.23 × 40,444.13
  4. Step 4: Simplify right side
    74,435.37x = 4,154,470,458.88
  5. Step 5: Solve for x
    x = 4,154,470,458.88/74,435.37
  6. Step 6: Final answer
    x = 55,813.12

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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.