Home / 83,427.49-125,085.63-43,347.98

Finding the Fourth Proportional to 83,427.49, 125,085.63 and 43,347.98

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Solution

The fourth proportional to 83,427.49, 125,085.63 and 43,347.98 is: 64,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.49 : 125,085.63 = 43,347.98 : x
  2. Step 2: Convert to fraction form
    83,427.49/125,085.63 = 43,347.98/x
  3. Step 3: Cross multiply
    83,427.49x = 125,085.63 × 43,347.98
  4. Step 4: Simplify right side
    83,427.49x = 5,422,209,159.19
  5. Step 5: Solve for x
    x = 5,422,209,159.19/83,427.49
  6. Step 6: Final answer
    x = 64,993.08

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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.