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Finding the Fourth Proportional to 60,870.28, 84,108.26 and 46,844.28

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Solution

The fourth proportional to 60,870.28, 84,108.26 and 46,844.28 is: 64,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,870.28 : 84,108.26 = 46,844.28 : x
  2. Step 2: Convert to fraction form
    60,870.28/84,108.26 = 46,844.28/x
  3. Step 3: Cross multiply
    60,870.28x = 84,108.26 × 46,844.28
  4. Step 4: Simplify right side
    60,870.28x = 3,939,990,881.75
  5. Step 5: Solve for x
    x = 3,939,990,881.75/60,870.28
  6. Step 6: Final answer
    x = 64,727.66

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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.