Home / 90,953.15-125,518.50-52,712.84

Finding the Fourth Proportional to 90,953.15, 125,518.50 and 52,712.84

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Solution

The fourth proportional to 90,953.15, 125,518.50 and 52,712.84 is: 72,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.15 : 125,518.50 = 52,712.84 : x
  2. Step 2: Convert to fraction form
    90,953.15/125,518.50 = 52,712.84/x
  3. Step 3: Cross multiply
    90,953.15x = 125,518.50 × 52,712.84
  4. Step 4: Simplify right side
    90,953.15x = 6,616,435,979.95
  5. Step 5: Solve for x
    x = 6,616,435,979.95/90,953.15
  6. Step 6: Final answer
    x = 72,745.54

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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.