Home / 102,570.96-153,868.73-31,484.32

Finding the Fourth Proportional to 102,570.96, 153,868.73 and 31,484.32

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Solution

The fourth proportional to 102,570.96, 153,868.73 and 31,484.32 is: 47,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,570.96 : 153,868.73 = 31,484.32 : x
  2. Step 2: Convert to fraction form
    102,570.96/153,868.73 = 31,484.32/x
  3. Step 3: Cross multiply
    102,570.96x = 153,868.73 × 31,484.32
  4. Step 4: Simplify right side
    102,570.96x = 4,844,452,333.31
  5. Step 5: Solve for x
    x = 4,844,452,333.31/102,570.96
  6. Step 6: Final answer
    x = 47,230.25

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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.