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Finding the Fourth Proportional to 60,869.28, 84,106.88 and 46,843.28

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Solution

The fourth proportional to 60,869.28, 84,106.88 and 46,843.28 is: 64,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,869.28 : 84,106.88 = 46,843.28 : x
  2. Step 2: Convert to fraction form
    60,869.28/84,106.88 = 46,843.28/x
  3. Step 3: Cross multiply
    60,869.28x = 84,106.88 × 46,843.28
  4. Step 4: Simplify right side
    60,869.28x = 3,939,842,129.77
  5. Step 5: Solve for x
    x = 3,939,842,129.77/60,869.28
  6. Step 6: Final answer
    x = 64,726.28

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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.