Home / 102,316.92-153,474.02-26,415.72

Finding the Fourth Proportional to 102,316.92, 153,474.02 and 26,415.72

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Solution

The fourth proportional to 102,316.92, 153,474.02 and 26,415.72 is: 39,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,316.92 : 153,474.02 = 26,415.72 : x
  2. Step 2: Convert to fraction form
    102,316.92/153,474.02 = 26,415.72/x
  3. Step 3: Cross multiply
    102,316.92x = 153,474.02 × 26,415.72
  4. Step 4: Simplify right side
    102,316.92x = 4,054,126,865.40
  5. Step 5: Solve for x
    x = 4,054,126,865.40/102,316.92
  6. Step 6: Final answer
    x = 39,623.23

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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.