Home / 93,628.83-129,207.78-51,187.35

Finding the Fourth Proportional to 93,628.83, 129,207.78 and 51,187.35

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Solution

The fourth proportional to 93,628.83, 129,207.78 and 51,187.35 is: 70,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,628.83 : 129,207.78 = 51,187.35 : x
  2. Step 2: Convert to fraction form
    93,628.83/129,207.78 = 51,187.35/x
  3. Step 3: Cross multiply
    93,628.83x = 129,207.78 × 51,187.35
  4. Step 4: Simplify right side
    93,628.83x = 6,613,803,857.58
  5. Step 5: Solve for x
    x = 6,613,803,857.58/93,628.83
  6. Step 6: Final answer
    x = 70,638.54

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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.