Home / 49,430.65-74,264.26-31,696.06

Finding the Fourth Proportional to 49,430.65, 74,264.26 and 31,696.06

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Solution

The fourth proportional to 49,430.65, 74,264.26 and 31,696.06 is: 47,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.65 : 74,264.26 = 31,696.06 : x
  2. Step 2: Convert to fraction form
    49,430.65/74,264.26 = 31,696.06/x
  3. Step 3: Cross multiply
    49,430.65x = 74,264.26 × 31,696.06
  4. Step 4: Simplify right side
    49,430.65x = 2,353,884,294.78
  5. Step 5: Solve for x
    x = 2,353,884,294.78/49,430.65
  6. Step 6: Final answer
    x = 47,619.93

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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.