Home / 104,901.33-144,762.01-57,155.03

Finding the Fourth Proportional to 104,901.33, 144,762.01 and 57,155.03

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Solution

The fourth proportional to 104,901.33, 144,762.01 and 57,155.03 is: 78,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.33 : 144,762.01 = 57,155.03 : x
  2. Step 2: Convert to fraction form
    104,901.33/144,762.01 = 57,155.03/x
  3. Step 3: Cross multiply
    104,901.33x = 144,762.01 × 57,155.03
  4. Step 4: Simplify right side
    104,901.33x = 8,273,877,024.41
  5. Step 5: Solve for x
    x = 8,273,877,024.41/104,901.33
  6. Step 6: Final answer
    x = 78,872.95

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1.5x scale

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.