Home / 76,203.09-105,211.63-47,566.36

Finding the Fourth Proportional to 76,203.09, 105,211.63 and 47,566.36

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Solution

The fourth proportional to 76,203.09, 105,211.63 and 47,566.36 is: 65,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,203.09 : 105,211.63 = 47,566.36 : x
  2. Step 2: Convert to fraction form
    76,203.09/105,211.63 = 47,566.36/x
  3. Step 3: Cross multiply
    76,203.09x = 105,211.63 × 47,566.36
  4. Step 4: Simplify right side
    76,203.09x = 5,004,534,459.74
  5. Step 5: Solve for x
    x = 5,004,534,459.74/76,203.09
  6. Step 6: Final answer
    x = 65,673.64

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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.