Home / 74,755.36-103,157.16-42,054.64

Finding the Fourth Proportional to 74,755.36, 103,157.16 and 42,054.64

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Solution

The fourth proportional to 74,755.36, 103,157.16 and 42,054.64 is: 58,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,755.36 : 103,157.16 = 42,054.64 : x
  2. Step 2: Convert to fraction form
    74,755.36/103,157.16 = 42,054.64/x
  3. Step 3: Cross multiply
    74,755.36x = 103,157.16 × 42,054.64
  4. Step 4: Simplify right side
    74,755.36x = 4,338,237,227.22
  5. Step 5: Solve for x
    x = 4,338,237,227.22/74,755.36
  6. Step 6: Final answer
    x = 58,032.46

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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.