Home / 84,313.07-126,483.33-39,379.36

Finding the Fourth Proportional to 84,313.07, 126,483.33 and 39,379.36

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Solution

The fourth proportional to 84,313.07, 126,483.33 and 39,379.36 is: 59,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.07 : 126,483.33 = 39,379.36 : x
  2. Step 2: Convert to fraction form
    84,313.07/126,483.33 = 39,379.36/x
  3. Step 3: Cross multiply
    84,313.07x = 126,483.33 × 39,379.36
  4. Step 4: Simplify right side
    84,313.07x = 4,980,832,586.07
  5. Step 5: Solve for x
    x = 4,980,832,586.07/84,313.07
  6. Step 6: Final answer
    x = 59,075.45

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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.