Home / 93,615.68-129,191.64-51,178.16

Finding the Fourth Proportional to 93,615.68, 129,191.64 and 51,178.16

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Solution

The fourth proportional to 93,615.68, 129,191.64 and 51,178.16 is: 70,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.68 : 129,191.64 = 51,178.16 : x
  2. Step 2: Convert to fraction form
    93,615.68/129,191.64 = 51,178.16/x
  3. Step 3: Cross multiply
    93,615.68x = 129,191.64 × 51,178.16
  4. Step 4: Simplify right side
    93,615.68x = 6,611,790,422.58
  5. Step 5: Solve for x
    x = 6,611,790,422.58/93,615.68
  6. Step 6: Final answer
    x = 70,626.96

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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.