Home / 76,984.39-106,247.69-46,774.63

Finding the Fourth Proportional to 76,984.39, 106,247.69 and 46,774.63

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Solution

The fourth proportional to 76,984.39, 106,247.69 and 46,774.63 is: 64,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984.39 : 106,247.69 = 46,774.63 : x
  2. Step 2: Convert to fraction form
    76,984.39/106,247.69 = 46,774.63/x
  3. Step 3: Cross multiply
    76,984.39x = 106,247.69 × 46,774.63
  4. Step 4: Simplify right side
    76,984.39x = 4,969,696,388.10
  5. Step 5: Solve for x
    x = 4,969,696,388.10/76,984.39
  6. Step 6: Final answer
    x = 64,554.60

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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.