Home / 84,885.48-127,325.93-28,725.21

Finding the Fourth Proportional to 84,885.48, 127,325.93 and 28,725.21

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Solution

The fourth proportional to 84,885.48, 127,325.93 and 28,725.21 is: 43,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,885.48 : 127,325.93 = 28,725.21 : x
  2. Step 2: Convert to fraction form
    84,885.48/127,325.93 = 28,725.21/x
  3. Step 3: Cross multiply
    84,885.48x = 127,325.93 × 28,725.21
  4. Step 4: Simplify right side
    84,885.48x = 3,657,463,934.07
  5. Step 5: Solve for x
    x = 3,657,463,934.07/84,885.48
  6. Step 6: Final answer
    x = 43,087.04

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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.