Home / 79,252.67-109,370.00-42,955.28

Finding the Fourth Proportional to 79,252.67, 109,370.00 and 42,955.28

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Solution

The fourth proportional to 79,252.67, 109,370.00 and 42,955.28 is: 59,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.67 : 109,370.00 = 42,955.28 : x
  2. Step 2: Convert to fraction form
    79,252.67/109,370.00 = 42,955.28/x
  3. Step 3: Cross multiply
    79,252.67x = 109,370.00 × 42,955.28
  4. Step 4: Simplify right side
    79,252.67x = 4,698,018,944.28
  5. Step 5: Solve for x
    x = 4,698,018,944.28/79,252.67
  6. Step 6: Final answer
    x = 59,279.00

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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.