Home / 105,953.75-146,226.45-60,638.20

Finding the Fourth Proportional to 105,953.75, 146,226.45 and 60,638.20

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Solution

The fourth proportional to 105,953.75, 146,226.45 and 60,638.20 is: 83,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,953.75 : 146,226.45 = 60,638.20 : x
  2. Step 2: Convert to fraction form
    105,953.75/146,226.45 = 60,638.20/x
  3. Step 3: Cross multiply
    105,953.75x = 146,226.45 × 60,638.20
  4. Step 4: Simplify right side
    105,953.75x = 8,866,908,720.39
  5. Step 5: Solve for x
    x = 8,866,908,720.39/105,953.75
  6. Step 6: Final answer
    x = 83,686.60

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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.