Home / 98,379.36-147,543.53-28,242.27

Finding the Fourth Proportional to 98,379.36, 147,543.53 and 28,242.27

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Solution

The fourth proportional to 98,379.36, 147,543.53 and 28,242.27 is: 42,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,379.36 : 147,543.53 = 28,242.27 : x
  2. Step 2: Convert to fraction form
    98,379.36/147,543.53 = 28,242.27/x
  3. Step 3: Cross multiply
    98,379.36x = 147,543.53 × 28,242.27
  4. Step 4: Simplify right side
    98,379.36x = 4,166,964,069.80
  5. Step 5: Solve for x
    x = 4,166,964,069.80/98,379.36
  6. Step 6: Final answer
    x = 42,356.08

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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.