Home / 98,880.39-136,455.17-53,558.19

Finding the Fourth Proportional to 98,880.39, 136,455.17 and 53,558.19

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Solution

The fourth proportional to 98,880.39, 136,455.17 and 53,558.19 is: 73,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.39 : 136,455.17 = 53,558.19 : x
  2. Step 2: Convert to fraction form
    98,880.39/136,455.17 = 53,558.19/x
  3. Step 3: Cross multiply
    98,880.39x = 136,455.17 × 53,558.19
  4. Step 4: Simplify right side
    98,880.39x = 7,308,291,653.55
  5. Step 5: Solve for x
    x = 7,308,291,653.55/98,880.39
  6. Step 6: Final answer
    x = 73,910.43

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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.