Home / 74,030.84-102,162.56-40,039.33

Finding the Fourth Proportional to 74,030.84, 102,162.56 and 40,039.33

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Solution

The fourth proportional to 74,030.84, 102,162.56 and 40,039.33 is: 55,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,030.84 : 102,162.56 = 40,039.33 : x
  2. Step 2: Convert to fraction form
    74,030.84/102,162.56 = 40,039.33/x
  3. Step 3: Cross multiply
    74,030.84x = 102,162.56 × 40,039.33
  4. Step 4: Simplify right side
    74,030.84x = 4,090,520,453.48
  5. Step 5: Solve for x
    x = 4,090,520,453.48/74,030.84
  6. Step 6: Final answer
    x = 55,254.28

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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.