Home / 93,782.15-129,419.37-51,340.68

Finding the Fourth Proportional to 93,782.15, 129,419.37 and 51,340.68

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Solution

The fourth proportional to 93,782.15, 129,419.37 and 51,340.68 is: 70,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,782.15 : 129,419.37 = 51,340.68 : x
  2. Step 2: Convert to fraction form
    93,782.15/129,419.37 = 51,340.68/x
  3. Step 3: Cross multiply
    93,782.15x = 129,419.37 × 51,340.68
  4. Step 4: Simplify right side
    93,782.15x = 6,644,478,460.97
  5. Step 5: Solve for x
    x = 6,644,478,460.97/93,782.15
  6. Step 6: Final answer
    x = 70,850.14

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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.