Home / 74,568.77-102,903.19-40,577.34

Finding the Fourth Proportional to 74,568.77, 102,903.19 and 40,577.34

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Solution

The fourth proportional to 74,568.77, 102,903.19 and 40,577.34 is: 55,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.77 : 102,903.19 = 40,577.34 : x
  2. Step 2: Convert to fraction form
    74,568.77/102,903.19 = 40,577.34/x
  3. Step 3: Cross multiply
    74,568.77x = 102,903.19 × 40,577.34
  4. Step 4: Simplify right side
    74,568.77x = 4,175,537,727.71
  5. Step 5: Solve for x
    x = 4,175,537,727.71/74,568.77
  6. Step 6: Final answer
    x = 55,995.80

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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.