Home / 98,877.36-136,449.93-53,554.29

Finding the Fourth Proportional to 98,877.36, 136,449.93 and 53,554.29

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Solution

The fourth proportional to 98,877.36, 136,449.93 and 53,554.29 is: 73,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,877.36 : 136,449.93 = 53,554.29 : x
  2. Step 2: Convert to fraction form
    98,877.36/136,449.93 = 53,554.29/x
  3. Step 3: Cross multiply
    98,877.36x = 136,449.93 × 53,554.29
  4. Step 4: Simplify right side
    98,877.36x = 7,307,479,121.70
  5. Step 5: Solve for x
    x = 7,307,479,121.70/98,877.36
  6. Step 6: Final answer
    x = 73,904.47

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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.