Home / 98,857.56-136,422.74-53,534.51

Finding the Fourth Proportional to 98,857.56, 136,422.74 and 53,534.51

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Solution

The fourth proportional to 98,857.56, 136,422.74 and 53,534.51 is: 73,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.56 : 136,422.74 = 53,534.51 : x
  2. Step 2: Convert to fraction form
    98,857.56/136,422.74 = 53,534.51/x
  3. Step 3: Cross multiply
    98,857.56x = 136,422.74 × 53,534.51
  4. Step 4: Simplify right side
    98,857.56x = 7,303,323,856.64
  5. Step 5: Solve for x
    x = 7,303,323,856.64/98,857.56
  6. Step 6: Final answer
    x = 73,877.24

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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.