Home / 84,771.90-127,162.38-25,606.08

Finding the Fourth Proportional to 84,771.90, 127,162.38 and 25,606.08

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Solution

The fourth proportional to 84,771.90, 127,162.38 and 25,606.08 is: 38,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,771.90 : 127,162.38 = 25,606.08 : x
  2. Step 2: Convert to fraction form
    84,771.90/127,162.38 = 25,606.08/x
  3. Step 3: Cross multiply
    84,771.90x = 127,162.38 × 25,606.08
  4. Step 4: Simplify right side
    84,771.90x = 3,256,130,075.27
  5. Step 5: Solve for x
    x = 3,256,130,075.27/84,771.90
  6. Step 6: Final answer
    x = 38,410.49

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1.5x scale

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.