Home / 98,533.86-135,987.57-56,085.54

Finding the Fourth Proportional to 98,533.86, 135,987.57 and 56,085.54

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Solution

The fourth proportional to 98,533.86, 135,987.57 and 56,085.54 is: 77,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,533.86 : 135,987.57 = 56,085.54 : x
  2. Step 2: Convert to fraction form
    98,533.86/135,987.57 = 56,085.54/x
  3. Step 3: Cross multiply
    98,533.86x = 135,987.57 × 56,085.54
  4. Step 4: Simplify right side
    98,533.86x = 7,626,936,296.74
  5. Step 5: Solve for x
    x = 7,626,936,296.74/98,533.86
  6. Step 6: Final answer
    x = 77,404.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.