Home / 76,971.24-106,222.40-46,749.63

Finding the Fourth Proportional to 76,971.24, 106,222.40 and 46,749.63

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Solution

The fourth proportional to 76,971.24, 106,222.40 and 46,749.63 is: 64,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,971.24 : 106,222.40 = 46,749.63 : x
  2. Step 2: Convert to fraction form
    76,971.24/106,222.40 = 46,749.63/x
  3. Step 3: Cross multiply
    76,971.24x = 106,222.40 × 46,749.63
  4. Step 4: Simplify right side
    76,971.24x = 4,965,857,897.71
  5. Step 5: Solve for x
    x = 4,965,857,897.71/76,971.24
  6. Step 6: Final answer
    x = 64,515.76

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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.