Home / 98,162.07-135,459.96-59,985.45

Finding the Fourth Proportional to 98,162.07, 135,459.96 and 59,985.45

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Solution

The fourth proportional to 98,162.07, 135,459.96 and 59,985.45 is: 82,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,162.07 : 135,459.96 = 59,985.45 : x
  2. Step 2: Convert to fraction form
    98,162.07/135,459.96 = 59,985.45/x
  3. Step 3: Cross multiply
    98,162.07x = 135,459.96 × 59,985.45
  4. Step 4: Simplify right side
    98,162.07x = 8,125,626,657.58
  5. Step 5: Solve for x
    x = 8,125,626,657.58/98,162.07
  6. Step 6: Final answer
    x = 82,777.67

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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.