Home / 102,026.40-153,055.44-52,079.47

Finding the Fourth Proportional to 102,026.40, 153,055.44 and 52,079.47

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Solution

The fourth proportional to 102,026.40, 153,055.44 and 52,079.47 is: 78,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,026.40 : 153,055.44 = 52,079.47 : x
  2. Step 2: Convert to fraction form
    102,026.40/153,055.44 = 52,079.47/x
  3. Step 3: Cross multiply
    102,026.40x = 153,055.44 × 52,079.47
  4. Step 4: Simplify right side
    102,026.40x = 7,971,045,617.88
  5. Step 5: Solve for x
    x = 7,971,045,617.88/102,026.40
  6. Step 6: Final answer
    x = 78,127.29

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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.