Home / 98,360.48-147,541.59-28,239.77

Finding the Fourth Proportional to 98,360.48, 147,541.59 and 28,239.77

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Solution

The fourth proportional to 98,360.48, 147,541.59 and 28,239.77 is: 42,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,360.48 : 147,541.59 = 28,239.77 : x
  2. Step 2: Convert to fraction form
    98,360.48/147,541.59 = 28,239.77/x
  3. Step 3: Cross multiply
    98,360.48x = 147,541.59 × 28,239.77
  4. Step 4: Simplify right side
    98,360.48x = 4,166,539,829.33
  5. Step 5: Solve for x
    x = 4,166,539,829.33/98,360.48
  6. Step 6: Final answer
    x = 42,359.90

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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.