Home / 102,330.74-153,492.63-31,250.51

Finding the Fourth Proportional to 102,330.74, 153,492.63 and 31,250.51

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Solution

The fourth proportional to 102,330.74, 153,492.63 and 31,250.51 is: 46,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.74 : 153,492.63 = 31,250.51 : x
  2. Step 2: Convert to fraction form
    102,330.74/153,492.63 = 31,250.51/x
  3. Step 3: Cross multiply
    102,330.74x = 153,492.63 × 31,250.51
  4. Step 4: Simplify right side
    102,330.74x = 4,796,722,201.28
  5. Step 5: Solve for x
    x = 4,796,722,201.28/102,330.74
  6. Step 6: Final answer
    x = 46,874.70

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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.