Home / 98,013.33-135,257.40-53,301.33

Finding the Fourth Proportional to 98,013.33, 135,257.40 and 53,301.33

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Solution

The fourth proportional to 98,013.33, 135,257.40 and 53,301.33 is: 73,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,013.33 : 135,257.40 = 53,301.33 : x
  2. Step 2: Convert to fraction form
    98,013.33/135,257.40 = 53,301.33/x
  3. Step 3: Cross multiply
    98,013.33x = 135,257.40 × 53,301.33
  4. Step 4: Simplify right side
    98,013.33x = 7,209,399,312.34
  5. Step 5: Solve for x
    x = 7,209,399,312.34/98,013.33
  6. Step 6: Final answer
    x = 73,555.29

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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.