Home / 105,583.23-158,263.61-38,980.71

Finding the Fourth Proportional to 105,583.23, 158,263.61 and 38,980.71

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Solution

The fourth proportional to 105,583.23, 158,263.61 and 38,980.71 is: 58,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,583.23 : 158,263.61 = 38,980.71 : x
  2. Step 2: Convert to fraction form
    105,583.23/158,263.61 = 38,980.71/x
  3. Step 3: Cross multiply
    105,583.23x = 158,263.61 × 38,980.71
  4. Step 4: Simplify right side
    105,583.23x = 6,169,227,690.06
  5. Step 5: Solve for x
    x = 6,169,227,690.06/105,583.23
  6. Step 6: Final answer
    x = 58,430.00

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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.