Home / 93,638.88-129,221.64-51,197.40

Finding the Fourth Proportional to 93,638.88, 129,221.64 and 51,197.40

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Solution

The fourth proportional to 93,638.88, 129,221.64 and 51,197.40 is: 70,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.88 : 129,221.64 = 51,197.40 : x
  2. Step 2: Convert to fraction form
    93,638.88/129,221.64 = 51,197.40/x
  3. Step 3: Cross multiply
    93,638.88x = 129,221.64 × 51,197.40
  4. Step 4: Simplify right side
    93,638.88x = 6,615,811,991.74
  5. Step 5: Solve for x
    x = 6,615,811,991.74/93,638.88
  6. Step 6: Final answer
    x = 70,652.40

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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.