Home / 74,795.40-103,211.82-42,957.54

Finding the Fourth Proportional to 74,795.40, 103,211.82 and 42,957.54

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Solution

The fourth proportional to 74,795.40, 103,211.82 and 42,957.54 is: 59,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.40 : 103,211.82 = 42,957.54 : x
  2. Step 2: Convert to fraction form
    74,795.40/103,211.82 = 42,957.54/x
  3. Step 3: Cross multiply
    74,795.40x = 103,211.82 × 42,957.54
  4. Step 4: Simplify right side
    74,795.40x = 4,433,725,886.12
  5. Step 5: Solve for x
    x = 4,433,725,886.12/74,795.40
  6. Step 6: Final answer
    x = 59,278.06

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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.