Home / 93,729.98-129,347.21-50,709.33

Finding the Fourth Proportional to 93,729.98, 129,347.21 and 50,709.33

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Solution

The fourth proportional to 93,729.98, 129,347.21 and 50,709.33 is: 69,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,729.98 : 129,347.21 = 50,709.33 : x
  2. Step 2: Convert to fraction form
    93,729.98/129,347.21 = 50,709.33/x
  3. Step 3: Cross multiply
    93,729.98x = 129,347.21 × 50,709.33
  4. Step 4: Simplify right side
    93,729.98x = 6,559,110,483.24
  5. Step 5: Solve for x
    x = 6,559,110,483.24/93,729.98
  6. Step 6: Final answer
    x = 69,978.79

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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.