Home / 69,602.44-96,045.60-39,386.20

Finding the Fourth Proportional to 69,602.44, 96,045.60 and 39,386.20

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Solution

The fourth proportional to 69,602.44, 96,045.60 and 39,386.20 is: 54,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,602.44 : 96,045.60 = 39,386.20 : x
  2. Step 2: Convert to fraction form
    69,602.44/96,045.60 = 39,386.20/x
  3. Step 3: Cross multiply
    69,602.44x = 96,045.60 × 39,386.20
  4. Step 4: Simplify right side
    69,602.44x = 3,782,871,210.72
  5. Step 5: Solve for x
    x = 3,782,871,210.72/69,602.44
  6. Step 6: Final answer
    x = 54,349.69

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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.