Home / 71,594.37-98,801.40-39,331.98

Finding the Fourth Proportional to 71,594.37, 98,801.40 and 39,331.98

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Solution

The fourth proportional to 71,594.37, 98,801.40 and 39,331.98 is: 54,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.37 : 98,801.40 = 39,331.98 : x
  2. Step 2: Convert to fraction form
    71,594.37/98,801.40 = 39,331.98/x
  3. Step 3: Cross multiply
    71,594.37x = 98,801.40 × 39,331.98
  4. Step 4: Simplify right side
    71,594.37x = 3,886,054,688.77
  5. Step 5: Solve for x
    x = 3,886,054,688.77/71,594.37
  6. Step 6: Final answer
    x = 54,278.77

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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.