Home / 93,559.73-129,120.08-53,286.12

Finding the Fourth Proportional to 93,559.73, 129,120.08 and 53,286.12

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Solution

The fourth proportional to 93,559.73, 129,120.08 and 53,286.12 is: 73,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,559.73 : 129,120.08 = 53,286.12 : x
  2. Step 2: Convert to fraction form
    93,559.73/129,120.08 = 53,286.12/x
  3. Step 3: Cross multiply
    93,559.73x = 129,120.08 × 53,286.12
  4. Step 4: Simplify right side
    93,559.73x = 6,880,307,810.86
  5. Step 5: Solve for x
    x = 6,880,307,810.86/93,559.73
  6. Step 6: Final answer
    x = 73,539.21

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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.