Home / 102,661.93-153,991.07-52,712.67

Finding the Fourth Proportional to 102,661.93, 153,991.07 and 52,712.67

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Solution

The fourth proportional to 102,661.93, 153,991.07 and 52,712.67 is: 79,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,661.93 : 153,991.07 = 52,712.67 : x
  2. Step 2: Convert to fraction form
    102,661.93/153,991.07 = 52,712.67/x
  3. Step 3: Cross multiply
    102,661.93x = 153,991.07 × 52,712.67
  4. Step 4: Simplify right side
    102,661.93x = 8,117,280,192.29
  5. Step 5: Solve for x
    x = 8,117,280,192.29/102,661.93
  6. Step 6: Final answer
    x = 79,068.07

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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.