Home / 81,938.52-113,075.04-46,140.09

Finding the Fourth Proportional to 81,938.52, 113,075.04 and 46,140.09

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Solution

The fourth proportional to 81,938.52, 113,075.04 and 46,140.09 is: 63,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938.52 : 113,075.04 = 46,140.09 : x
  2. Step 2: Convert to fraction form
    81,938.52/113,075.04 = 46,140.09/x
  3. Step 3: Cross multiply
    81,938.52x = 113,075.04 × 46,140.09
  4. Step 4: Simplify right side
    81,938.52x = 5,217,292,522.35
  5. Step 5: Solve for x
    x = 5,217,292,522.35/81,938.52
  6. Step 6: Final answer
    x = 63,673.26

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1.5x scale

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.