Home / 90,101.09-124,196.36-70,950.48

Finding the Fourth Proportional to 90,101.09, 124,196.36 and 70,950.48

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Solution

The fourth proportional to 90,101.09, 124,196.36 and 70,950.48 is: 97,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101.09 : 124,196.36 = 70,950.48 : x
  2. Step 2: Convert to fraction form
    90,101.09/124,196.36 = 70,950.48/x
  3. Step 3: Cross multiply
    90,101.09x = 124,196.36 × 70,950.48
  4. Step 4: Simplify right side
    90,101.09x = 8,811,791,001.50
  5. Step 5: Solve for x
    x = 8,811,791,001.50/90,101.09
  6. Step 6: Final answer
    x = 97,798.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.