Home / 84,012.84-126,048.42-56,045.16

Finding the Fourth Proportional to 84,012.84, 126,048.42 and 56,045.16

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Solution

The fourth proportional to 84,012.84, 126,048.42 and 56,045.16 is: 84,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.84 : 126,048.42 = 56,045.16 : x
  2. Step 2: Convert to fraction form
    84,012.84/126,048.42 = 56,045.16/x
  3. Step 3: Cross multiply
    84,012.84x = 126,048.42 × 56,045.16
  4. Step 4: Simplify right side
    84,012.84x = 7,064,403,866.65
  5. Step 5: Solve for x
    x = 7,064,403,866.65/84,012.84
  6. Step 6: Final answer
    x = 84,087.19

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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.