Home / 74,886.95-112,346.64-34,876.19

Finding the Fourth Proportional to 74,886.95, 112,346.64 and 34,876.19

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Solution

The fourth proportional to 74,886.95, 112,346.64 and 34,876.19 is: 52,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.95 : 112,346.64 = 34,876.19 : x
  2. Step 2: Convert to fraction form
    74,886.95/112,346.64 = 34,876.19/x
  3. Step 3: Cross multiply
    74,886.95x = 112,346.64 × 34,876.19
  4. Step 4: Simplify right side
    74,886.95x = 3,918,223,043.37
  5. Step 5: Solve for x
    x = 3,918,223,043.37/74,886.95
  6. Step 6: Final answer
    x = 52,321.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.