Home / 98,355.85-147,570.23-31,798.15

Finding the Fourth Proportional to 98,355.85, 147,570.23 and 31,798.15

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Solution

The fourth proportional to 98,355.85, 147,570.23 and 31,798.15 is: 47,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,355.85 : 147,570.23 = 31,798.15 : x
  2. Step 2: Convert to fraction form
    98,355.85/147,570.23 = 31,798.15/x
  3. Step 3: Cross multiply
    98,355.85x = 147,570.23 × 31,798.15
  4. Step 4: Simplify right side
    98,355.85x = 4,692,460,150.08
  5. Step 5: Solve for x
    x = 4,692,460,150.08/98,355.85
  6. Step 6: Final answer
    x = 47,709.01

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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.