Home / 74,416.32-112,136.04-61,556.76

Finding the Fourth Proportional to 74,416.32, 112,136.04 and 61,556.76

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Solution

The fourth proportional to 74,416.32, 112,136.04 and 61,556.76 is: 92,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.32 : 112,136.04 = 61,556.76 : x
  2. Step 2: Convert to fraction form
    74,416.32/112,136.04 = 61,556.76/x
  3. Step 3: Cross multiply
    74,416.32x = 112,136.04 × 61,556.76
  4. Step 4: Simplify right side
    74,416.32x = 6,902,731,301.63
  5. Step 5: Solve for x
    x = 6,902,731,301.63/74,416.32
  6. Step 6: Final answer
    x = 92,758.30

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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.