Home / 105,590.16-145,677.99-60,235.42

Finding the Fourth Proportional to 105,590.16, 145,677.99 and 60,235.42

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Solution

The fourth proportional to 105,590.16, 145,677.99 and 60,235.42 is: 83,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,590.16 : 145,677.99 = 60,235.42 : x
  2. Step 2: Convert to fraction form
    105,590.16/145,677.99 = 60,235.42/x
  3. Step 3: Cross multiply
    105,590.16x = 145,677.99 × 60,235.42
  4. Step 4: Simplify right side
    105,590.16x = 8,774,974,912.41
  5. Step 5: Solve for x
    x = 8,774,974,912.41/105,590.16
  6. Step 6: Final answer
    x = 83,104.10

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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.