Home / 105,914.07-158,892.98-31,036.66

Finding the Fourth Proportional to 105,914.07, 158,892.98 and 31,036.66

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Solution

The fourth proportional to 105,914.07, 158,892.98 and 31,036.66 is: 46,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.07 : 158,892.98 = 31,036.66 : x
  2. Step 2: Convert to fraction form
    105,914.07/158,892.98 = 31,036.66/x
  3. Step 3: Cross multiply
    105,914.07x = 158,892.98 × 31,036.66
  4. Step 4: Simplify right side
    105,914.07x = 4,931,506,844.23
  5. Step 5: Solve for x
    x = 4,931,506,844.23/105,914.07
  6. Step 6: Final answer
    x = 46,561.39

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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.