Home / 105,139.52-145,087.48-59,813.24

Finding the Fourth Proportional to 105,139.52, 145,087.48 and 59,813.24

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Solution

The fourth proportional to 105,139.52, 145,087.48 and 59,813.24 is: 82,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,139.52 : 145,087.48 = 59,813.24 : x
  2. Step 2: Convert to fraction form
    105,139.52/145,087.48 = 59,813.24/x
  3. Step 3: Cross multiply
    105,139.52x = 145,087.48 × 59,813.24
  4. Step 4: Simplify right side
    105,139.52x = 8,678,152,262.24
  5. Step 5: Solve for x
    x = 8,678,152,262.24/105,139.52
  6. Step 6: Final answer
    x = 82,539.39

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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.