Home / 104,911.29-157,368.02-83,984.36

Finding the Fourth Proportional to 104,911.29, 157,368.02 and 83,984.36

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Solution

The fourth proportional to 104,911.29, 157,368.02 and 83,984.36 is: 125,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.29 : 157,368.02 = 83,984.36 : x
  2. Step 2: Convert to fraction form
    104,911.29/157,368.02 = 83,984.36/x
  3. Step 3: Cross multiply
    104,911.29x = 157,368.02 × 83,984.36
  4. Step 4: Simplify right side
    104,911.29x = 13,216,451,237.41
  5. Step 5: Solve for x
    x = 13,216,451,237.41/104,911.29
  6. Step 6: Final answer
    x = 125,977.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.