Home / 74,331.50-102,577.47-40,799.66

Finding the Fourth Proportional to 74,331.50, 102,577.47 and 40,799.66

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Solution

The fourth proportional to 74,331.50, 102,577.47 and 40,799.66 is: 56,303.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.50 : 102,577.47 = 40,799.66 : x
  2. Step 2: Convert to fraction form
    74,331.50/102,577.47 = 40,799.66/x
  3. Step 3: Cross multiply
    74,331.50x = 102,577.47 × 40,799.66
  4. Step 4: Simplify right side
    74,331.50x = 4,185,125,899.66
  5. Step 5: Solve for x
    x = 4,185,125,899.66/74,331.50
  6. Step 6: Final answer
    x = 56,303.53

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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.