Home / 74,895.54-103,356.03-40,904.30

Finding the Fourth Proportional to 74,895.54, 103,356.03 and 40,904.30

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Solution

The fourth proportional to 74,895.54, 103,356.03 and 40,904.30 is: 56,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,895.54 : 103,356.03 = 40,904.30 : x
  2. Step 2: Convert to fraction form
    74,895.54/103,356.03 = 40,904.30/x
  3. Step 3: Cross multiply
    74,895.54x = 103,356.03 × 40,904.30
  4. Step 4: Simplify right side
    74,895.54x = 4,227,705,541.15
  5. Step 5: Solve for x
    x = 4,227,705,541.15/74,895.54
  6. Step 6: Final answer
    x = 56,448.03

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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.