Home / 105,552.65-158,412.18-39,011.80

Finding the Fourth Proportional to 105,552.65, 158,412.18 and 39,011.80

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Solution

The fourth proportional to 105,552.65, 158,412.18 and 39,011.80 is: 58,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,552.65 : 158,412.18 = 39,011.80 : x
  2. Step 2: Convert to fraction form
    105,552.65/158,412.18 = 39,011.80/x
  3. Step 3: Cross multiply
    105,552.65x = 158,412.18 × 39,011.80
  4. Step 4: Simplify right side
    105,552.65x = 6,179,944,088.67
  5. Step 5: Solve for x
    x = 6,179,944,088.67/105,552.65
  6. Step 6: Final answer
    x = 58,548.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.