Home / 105,817.79-146,030.31-58,075.58

Finding the Fourth Proportional to 105,817.79, 146,030.31 and 58,075.58

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Solution

The fourth proportional to 105,817.79, 146,030.31 and 58,075.58 is: 80,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.79 : 146,030.31 = 58,075.58 : x
  2. Step 2: Convert to fraction form
    105,817.79/146,030.31 = 58,075.58/x
  3. Step 3: Cross multiply
    105,817.79x = 146,030.31 × 58,075.58
  4. Step 4: Simplify right side
    105,817.79x = 8,480,795,315.91
  5. Step 5: Solve for x
    x = 8,480,795,315.91/105,817.79
  6. Step 6: Final answer
    x = 80,145.27

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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.