Home / 84,638.40-127,006.20-32,085.60

Finding the Fourth Proportional to 84,638.40, 127,006.20 and 32,085.60

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Solution

The fourth proportional to 84,638.40, 127,006.20 and 32,085.60 is: 48,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.40 : 127,006.20 = 32,085.60 : x
  2. Step 2: Convert to fraction form
    84,638.40/127,006.20 = 32,085.60/x
  3. Step 3: Cross multiply
    84,638.40x = 127,006.20 × 32,085.60
  4. Step 4: Simplify right side
    84,638.40x = 4,075,070,130.72
  5. Step 5: Solve for x
    x = 4,075,070,130.72/84,638.40
  6. Step 6: Final answer
    x = 48,146.82

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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.