Home / 74,904.52-103,365.12-40,912.24

Finding the Fourth Proportional to 74,904.52, 103,365.12 and 40,912.24

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Solution

The fourth proportional to 74,904.52, 103,365.12 and 40,912.24 is: 56,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.52 : 103,365.12 = 40,912.24 : x
  2. Step 2: Convert to fraction form
    74,904.52/103,365.12 = 40,912.24/x
  3. Step 3: Cross multiply
    74,904.52x = 103,365.12 × 40,912.24
  4. Step 4: Simplify right side
    74,904.52x = 4,228,898,597.07
  5. Step 5: Solve for x
    x = 4,228,898,597.07/74,904.52
  6. Step 6: Final answer
    x = 56,457.19

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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.