Home / 109,461.33-151,071.93-66,462.21

Finding the Fourth Proportional to 109,461.33, 151,071.93 and 66,462.21

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Solution

The fourth proportional to 109,461.33, 151,071.93 and 66,462.21 is: 91,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,461.33 : 151,071.93 = 66,462.21 : x
  2. Step 2: Convert to fraction form
    109,461.33/151,071.93 = 66,462.21/x
  3. Step 3: Cross multiply
    109,461.33x = 151,071.93 × 66,462.21
  4. Step 4: Simplify right side
    109,461.33x = 10,040,574,336.77
  5. Step 5: Solve for x
    x = 10,040,574,336.77/109,461.33
  6. Step 6: Final answer
    x = 91,727.14

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1.5x scale

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.