Home / 105,250.52-145,244.02-57,502.84

Finding the Fourth Proportional to 105,250.52, 145,244.02 and 57,502.84

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Solution

The fourth proportional to 105,250.52, 145,244.02 and 57,502.84 is: 79,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,250.52 : 145,244.02 = 57,502.84 : x
  2. Step 2: Convert to fraction form
    105,250.52/145,244.02 = 57,502.84/x
  3. Step 3: Cross multiply
    105,250.52x = 145,244.02 × 57,502.84
  4. Step 4: Simplify right side
    105,250.52x = 8,351,943,355.50
  5. Step 5: Solve for x
    x = 8,351,943,355.50/105,250.52
  6. Step 6: Final answer
    x = 79,352.99

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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.