Home / 64,813.03-89,458.64-42,208.36

Finding the Fourth Proportional to 64,813.03, 89,458.64 and 42,208.36

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Solution

The fourth proportional to 64,813.03, 89,458.64 and 42,208.36 is: 58,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.03 : 89,458.64 = 42,208.36 : x
  2. Step 2: Convert to fraction form
    64,813.03/89,458.64 = 42,208.36/x
  3. Step 3: Cross multiply
    64,813.03x = 89,458.64 × 42,208.36
  4. Step 4: Simplify right side
    64,813.03x = 3,775,902,482.23
  5. Step 5: Solve for x
    x = 3,775,902,482.23/64,813.03
  6. Step 6: Final answer
    x = 58,258.39

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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.