Home / 92,554.40-127,716-54,821.36

Finding the Fourth Proportional to 92,554.40, 127,716 and 54,821.36

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Solution

The fourth proportional to 92,554.40, 127,716 and 54,821.36 is: 75,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,554.40 : 127,716 = 54,821.36 : x
  2. Step 2: Convert to fraction form
    92,554.40/127,716 = 54,821.36/x
  3. Step 3: Cross multiply
    92,554.40x = 127,716 × 54,821.36
  4. Step 4: Simplify right side
    92,554.40x = 7,001,564,813.76
  5. Step 5: Solve for x
    x = 7,001,564,813.76/92,554.40
  6. Step 6: Final answer
    x = 75,648.10

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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.