Home / 93,969.48-129,677.72-51,530.75

Finding the Fourth Proportional to 93,969.48, 129,677.72 and 51,530.75

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Solution

The fourth proportional to 93,969.48, 129,677.72 and 51,530.75 is: 71,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,969.48 : 129,677.72 = 51,530.75 : x
  2. Step 2: Convert to fraction form
    93,969.48/129,677.72 = 51,530.75/x
  3. Step 3: Cross multiply
    93,969.48x = 129,677.72 × 51,530.75
  4. Step 4: Simplify right side
    93,969.48x = 6,682,389,263.85
  5. Step 5: Solve for x
    x = 6,682,389,263.85/93,969.48
  6. Step 6: Final answer
    x = 71,112.34

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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.