Home / 60,669.39-90,529.47-54,365.21

Finding the Fourth Proportional to 60,669.39, 90,529.47 and 54,365.21

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Solution

The fourth proportional to 60,669.39, 90,529.47 and 54,365.21 is: 81,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669.39 : 90,529.47 = 54,365.21 : x
  2. Step 2: Convert to fraction form
    60,669.39/90,529.47 = 54,365.21/x
  3. Step 3: Cross multiply
    60,669.39x = 90,529.47 × 54,365.21
  4. Step 4: Simplify right side
    60,669.39x = 4,921,653,534.58
  5. Step 5: Solve for x
    x = 4,921,653,534.58/60,669.39
  6. Step 6: Final answer
    x = 81,122.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.