Home / 74,417.32-112,137.55-61,557.76

Finding the Fourth Proportional to 74,417.32, 112,137.55 and 61,557.76

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Solution

The fourth proportional to 74,417.32, 112,137.55 and 61,557.76 is: 92,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.32 : 112,137.55 = 61,557.76 : x
  2. Step 2: Convert to fraction form
    74,417.32/112,137.55 = 61,557.76/x
  3. Step 3: Cross multiply
    74,417.32x = 112,137.55 × 61,557.76
  4. Step 4: Simplify right side
    74,417.32x = 6,902,936,389.89
  5. Step 5: Solve for x
    x = 6,902,936,389.89/74,417.32
  6. Step 6: Final answer
    x = 92,759.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.