Home / 98,725.66-136,240.88-53,403.52

Finding the Fourth Proportional to 98,725.66, 136,240.88 and 53,403.52

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Solution

The fourth proportional to 98,725.66, 136,240.88 and 53,403.52 is: 73,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,725.66 : 136,240.88 = 53,403.52 : x
  2. Step 2: Convert to fraction form
    98,725.66/136,240.88 = 53,403.52/x
  3. Step 3: Cross multiply
    98,725.66x = 136,240.88 × 53,403.52
  4. Step 4: Simplify right side
    98,725.66x = 7,275,742,559.90
  5. Step 5: Solve for x
    x = 7,275,742,559.90/98,725.66
  6. Step 6: Final answer
    x = 73,696.57

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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.