Home / 84,840.86-127,261.50-28,665.93

Finding the Fourth Proportional to 84,840.86, 127,261.50 and 28,665.93

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Solution

The fourth proportional to 84,840.86, 127,261.50 and 28,665.93 is: 42,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.86 : 127,261.50 = 28,665.93 : x
  2. Step 2: Convert to fraction form
    84,840.86/127,261.50 = 28,665.93/x
  3. Step 3: Cross multiply
    84,840.86x = 127,261.50 × 28,665.93
  4. Step 4: Simplify right side
    84,840.86x = 3,648,069,250.70
  5. Step 5: Solve for x
    x = 3,648,069,250.70/84,840.86
  6. Step 6: Final answer
    x = 42,998.97

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1.5x scale

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.