Home / 93,931.30-129,630.52-55,713.48

Finding the Fourth Proportional to 93,931.30, 129,630.52 and 55,713.48

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Solution

The fourth proportional to 93,931.30, 129,630.52 and 55,713.48 is: 76,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,931.30 : 129,630.52 = 55,713.48 : x
  2. Step 2: Convert to fraction form
    93,931.30/129,630.52 = 55,713.48/x
  3. Step 3: Cross multiply
    93,931.30x = 129,630.52 × 55,713.48
  4. Step 4: Simplify right side
    93,931.30x = 7,222,167,383.41
  5. Step 5: Solve for x
    x = 7,222,167,383.41/93,931.30
  6. Step 6: Final answer
    x = 76,887.76

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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.