Home / 84,895.10-127,263.48-28,696.11

Finding the Fourth Proportional to 84,895.10, 127,263.48 and 28,696.11

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Solution

The fourth proportional to 84,895.10, 127,263.48 and 28,696.11 is: 43,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.10 : 127,263.48 = 28,696.11 : x
  2. Step 2: Convert to fraction form
    84,895.10/127,263.48 = 28,696.11/x
  3. Step 3: Cross multiply
    84,895.10x = 127,263.48 × 28,696.11
  4. Step 4: Simplify right side
    84,895.10x = 3,651,966,236.21
  5. Step 5: Solve for x
    x = 3,651,966,236.21/84,895.10
  6. Step 6: Final answer
    x = 43,017.40

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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.