Home / 84,945.42-127,140.89-62,450.15

Finding the Fourth Proportional to 84,945.42, 127,140.89 and 62,450.15

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Solution

The fourth proportional to 84,945.42, 127,140.89 and 62,450.15 is: 93,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.42 : 127,140.89 = 62,450.15 : x
  2. Step 2: Convert to fraction form
    84,945.42/127,140.89 = 62,450.15/x
  3. Step 3: Cross multiply
    84,945.42x = 127,140.89 × 62,450.15
  4. Step 4: Simplify right side
    84,945.42x = 7,939,966,703.68
  5. Step 5: Solve for x
    x = 7,939,966,703.68/84,945.42
  6. Step 6: Final answer
    x = 93,471.39

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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.