Home / 105,810.50-146,018.09-58,063.74

Finding the Fourth Proportional to 105,810.50, 146,018.09 and 58,063.74

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Solution

The fourth proportional to 105,810.50, 146,018.09 and 58,063.74 is: 80,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,810.50 : 146,018.09 = 58,063.74 : x
  2. Step 2: Convert to fraction form
    105,810.50/146,018.09 = 58,063.74/x
  3. Step 3: Cross multiply
    105,810.50x = 146,018.09 × 58,063.74
  4. Step 4: Simplify right side
    105,810.50x = 8,478,356,010.65
  5. Step 5: Solve for x
    x = 8,478,356,010.65/105,810.50
  6. Step 6: Final answer
    x = 80,127.74

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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.