Home / 56,828.98-78,428.27-32,955.45

Finding the Fourth Proportional to 56,828.98, 78,428.27 and 32,955.45

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Solution

The fourth proportional to 56,828.98, 78,428.27 and 32,955.45 is: 45,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,828.98 : 78,428.27 = 32,955.45 : x
  2. Step 2: Convert to fraction form
    56,828.98/78,428.27 = 32,955.45/x
  3. Step 3: Cross multiply
    56,828.98x = 78,428.27 × 32,955.45
  4. Step 4: Simplify right side
    56,828.98x = 2,584,638,373.65
  5. Step 5: Solve for x
    x = 2,584,638,373.65/56,828.98
  6. Step 6: Final answer
    x = 45,480.99

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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.