Home / 92,929.73-128,243.34-52,650.95

Finding the Fourth Proportional to 92,929.73, 128,243.34 and 52,650.95

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Solution

The fourth proportional to 92,929.73, 128,243.34 and 52,650.95 is: 72,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.73 : 128,243.34 = 52,650.95 : x
  2. Step 2: Convert to fraction form
    92,929.73/128,243.34 = 52,650.95/x
  3. Step 3: Cross multiply
    92,929.73x = 128,243.34 × 52,650.95
  4. Step 4: Simplify right side
    92,929.73x = 6,752,133,040.96
  5. Step 5: Solve for x
    x = 6,752,133,040.96/92,929.73
  6. Step 6: Final answer
    x = 72,658.49

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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.