Home / 92,851.32-128,137.76-52,564.35

Finding the Fourth Proportional to 92,851.32, 128,137.76 and 52,564.35

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Solution

The fourth proportional to 92,851.32, 128,137.76 and 52,564.35 is: 72,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.32 : 128,137.76 = 52,564.35 : x
  2. Step 2: Convert to fraction form
    92,851.32/128,137.76 = 52,564.35/x
  3. Step 3: Cross multiply
    92,851.32x = 128,137.76 × 52,564.35
  4. Step 4: Simplify right side
    92,851.32x = 6,735,478,064.86
  5. Step 5: Solve for x
    x = 6,735,478,064.86/92,851.32
  6. Step 6: Final answer
    x = 72,540.47

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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.