Home / 97,878.03-146,838.92-31,322.16

Finding the Fourth Proportional to 97,878.03, 146,838.92 and 31,322.16

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Solution

The fourth proportional to 97,878.03, 146,838.92 and 31,322.16 is: 46,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,878.03 : 146,838.92 = 31,322.16 : x
  2. Step 2: Convert to fraction form
    97,878.03/146,838.92 = 31,322.16/x
  3. Step 3: Cross multiply
    97,878.03x = 146,838.92 × 31,322.16
  4. Step 4: Simplify right side
    97,878.03x = 4,599,312,146.47
  5. Step 5: Solve for x
    x = 4,599,312,146.47/97,878.03
  6. Step 6: Final answer
    x = 46,990.24

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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.