Home / 98,455.74-147,707.18-31,895.96

Finding the Fourth Proportional to 98,455.74, 147,707.18 and 31,895.96

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Solution

The fourth proportional to 98,455.74, 147,707.18 and 31,895.96 is: 47,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,455.74 : 147,707.18 = 31,895.96 : x
  2. Step 2: Convert to fraction form
    98,455.74/147,707.18 = 31,895.96/x
  3. Step 3: Cross multiply
    98,455.74x = 147,707.18 × 31,895.96
  4. Step 4: Simplify right side
    98,455.74x = 4,711,261,406.98
  5. Step 5: Solve for x
    x = 4,711,261,406.98/98,455.74
  6. Step 6: Final answer
    x = 47,851.57

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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.