Home / 65,110.89-97,670.15-25,130.09

Finding the Fourth Proportional to 65,110.89, 97,670.15 and 25,130.09

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Solution

The fourth proportional to 65,110.89, 97,670.15 and 25,130.09 is: 37,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.89 : 97,670.15 = 25,130.09 : x
  2. Step 2: Convert to fraction form
    65,110.89/97,670.15 = 25,130.09/x
  3. Step 3: Cross multiply
    65,110.89x = 97,670.15 × 25,130.09
  4. Step 4: Simplify right side
    65,110.89x = 2,454,459,659.81
  5. Step 5: Solve for x
    x = 2,454,459,659.81/65,110.89
  6. Step 6: Final answer
    x = 37,696.61

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1.5x scale

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.