Home / 64,215.84-88,640.08-44,139.20

Finding the Fourth Proportional to 64,215.84, 88,640.08 and 44,139.20

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Solution

The fourth proportional to 64,215.84, 88,640.08 and 44,139.20 is: 60,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.84 : 88,640.08 = 44,139.20 : x
  2. Step 2: Convert to fraction form
    64,215.84/88,640.08 = 44,139.20/x
  3. Step 3: Cross multiply
    64,215.84x = 88,640.08 × 44,139.20
  4. Step 4: Simplify right side
    64,215.84x = 3,912,502,219.14
  5. Step 5: Solve for x
    x = 3,912,502,219.14/64,215.84
  6. Step 6: Final answer
    x = 60,927.37

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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.