Home / 98,645.58-136,130.63-53,323.38

Finding the Fourth Proportional to 98,645.58, 136,130.63 and 53,323.38

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Solution

The fourth proportional to 98,645.58, 136,130.63 and 53,323.38 is: 73,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,645.58 : 136,130.63 = 53,323.38 : x
  2. Step 2: Convert to fraction form
    98,645.58/136,130.63 = 53,323.38/x
  3. Step 3: Cross multiply
    98,645.58x = 136,130.63 × 53,323.38
  4. Step 4: Simplify right side
    98,645.58x = 7,258,945,046.51
  5. Step 5: Solve for x
    x = 7,258,945,046.51/98,645.58
  6. Step 6: Final answer
    x = 73,586.12

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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.