Home / 70,759.02-97,661.39-40,564.61

Finding the Fourth Proportional to 70,759.02, 97,661.39 and 40,564.61

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Solution

The fourth proportional to 70,759.02, 97,661.39 and 40,564.61 is: 55,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,759.02 : 97,661.39 = 40,564.61 : x
  2. Step 2: Convert to fraction form
    70,759.02/97,661.39 = 40,564.61/x
  3. Step 3: Cross multiply
    70,759.02x = 97,661.39 × 40,564.61
  4. Step 4: Simplify right side
    70,759.02x = 3,961,596,054.67
  5. Step 5: Solve for x
    x = 3,961,596,054.67/70,759.02
  6. Step 6: Final answer
    x = 55,987.16

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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.