Home / 98,858.06-136,423.43-53,535

Finding the Fourth Proportional to 98,858.06, 136,423.43 and 53,535

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Solution

The fourth proportional to 98,858.06, 136,423.43 and 53,535 is: 73,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.06 : 136,423.43 = 53,535 : x
  2. Step 2: Convert to fraction form
    98,858.06/136,423.43 = 53,535/x
  3. Step 3: Cross multiply
    98,858.06x = 136,423.43 × 53,535
  4. Step 4: Simplify right side
    98,858.06x = 7,303,428,325.05
  5. Step 5: Solve for x
    x = 7,303,428,325.05/98,858.06
  6. Step 6: Final answer
    x = 73,877.92

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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.