Home / 98,818.22-136,368.98-53,496.19

Finding the Fourth Proportional to 98,818.22, 136,368.98 and 53,496.19

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Solution

The fourth proportional to 98,818.22, 136,368.98 and 53,496.19 is: 73,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.22 : 136,368.98 = 53,496.19 : x
  2. Step 2: Convert to fraction form
    98,818.22/136,368.98 = 53,496.19/x
  3. Step 3: Cross multiply
    98,818.22x = 136,368.98 × 53,496.19
  4. Step 4: Simplify right side
    98,818.22x = 7,295,219,914.86
  5. Step 5: Solve for x
    x = 7,295,219,914.86/98,818.22
  6. Step 6: Final answer
    x = 73,824.64

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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.