Home / 83,368.42-115,037.70-47,556.30

Finding the Fourth Proportional to 83,368.42, 115,037.70 and 47,556.30

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Solution

The fourth proportional to 83,368.42, 115,037.70 and 47,556.30 is: 65,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,368.42 : 115,037.70 = 47,556.30 : x
  2. Step 2: Convert to fraction form
    83,368.42/115,037.70 = 47,556.30/x
  3. Step 3: Cross multiply
    83,368.42x = 115,037.70 × 47,556.30
  4. Step 4: Simplify right side
    83,368.42x = 5,470,767,372.51
  5. Step 5: Solve for x
    x = 5,470,767,372.51/83,368.42
  6. Step 6: Final answer
    x = 65,621.58

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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.