Home / 76,322.16-114,477.48-38,858.76

Finding the Fourth Proportional to 76,322.16, 114,477.48 and 38,858.76

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Solution

The fourth proportional to 76,322.16, 114,477.48 and 38,858.76 is: 58,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,322.16 : 114,477.48 = 38,858.76 : x
  2. Step 2: Convert to fraction form
    76,322.16/114,477.48 = 38,858.76/x
  3. Step 3: Cross multiply
    76,322.16x = 114,477.48 × 38,858.76
  4. Step 4: Simplify right side
    76,322.16x = 4,448,452,920.72
  5. Step 5: Solve for x
    x = 4,448,452,920.72/76,322.16
  6. Step 6: Final answer
    x = 58,285.21

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1.5x scale

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.