Home / 98,911.08-136,544.45-56,461.41

Finding the Fourth Proportional to 98,911.08, 136,544.45 and 56,461.41

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Solution

The fourth proportional to 98,911.08, 136,544.45 and 56,461.41 is: 77,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,911.08 : 136,544.45 = 56,461.41 : x
  2. Step 2: Convert to fraction form
    98,911.08/136,544.45 = 56,461.41/x
  3. Step 3: Cross multiply
    98,911.08x = 136,544.45 × 56,461.41
  4. Step 4: Simplify right side
    98,911.08x = 7,709,491,892.37
  5. Step 5: Solve for x
    x = 7,709,491,892.37/98,911.08
  6. Step 6: Final answer
    x = 77,943.66

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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.