Home / 98,458.74-135,873.45-56,016.36

Finding the Fourth Proportional to 98,458.74, 135,873.45 and 56,016.36

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Solution

The fourth proportional to 98,458.74, 135,873.45 and 56,016.36 is: 77,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,458.74 : 135,873.45 = 56,016.36 : x
  2. Step 2: Convert to fraction form
    98,458.74/135,873.45 = 56,016.36/x
  3. Step 3: Cross multiply
    98,458.74x = 135,873.45 × 56,016.36
  4. Step 4: Simplify right side
    98,458.74x = 7,611,136,089.64
  5. Step 5: Solve for x
    x = 7,611,136,089.64/98,458.74
  6. Step 6: Final answer
    x = 77,302.80

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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.