Home / 102,333.02-153,552.83-77,365.67

Finding the Fourth Proportional to 102,333.02, 153,552.83 and 77,365.67

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Solution

The fourth proportional to 102,333.02, 153,552.83 and 77,365.67 is: 116,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,333.02 : 153,552.83 = 77,365.67 : x
  2. Step 2: Convert to fraction form
    102,333.02/153,552.83 = 77,365.67/x
  3. Step 3: Cross multiply
    102,333.02x = 153,552.83 × 77,365.67
  4. Step 4: Simplify right side
    102,333.02x = 11,879,716,418.75
  5. Step 5: Solve for x
    x = 11,879,716,418.75/102,333.02
  6. Step 6: Final answer
    x = 116,088.80

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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.