Home / 61,964.10-85,510.28-33,669.78

Finding the Fourth Proportional to 61,964.10, 85,510.28 and 33,669.78

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Solution

The fourth proportional to 61,964.10, 85,510.28 and 33,669.78 is: 46,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.10 : 85,510.28 = 33,669.78 : x
  2. Step 2: Convert to fraction form
    61,964.10/85,510.28 = 33,669.78/x
  3. Step 3: Cross multiply
    61,964.10x = 85,510.28 × 33,669.78
  4. Step 4: Simplify right side
    61,964.10x = 2,879,112,315.34
  5. Step 5: Solve for x
    x = 2,879,112,315.34/61,964.10
  6. Step 6: Final answer
    x = 46,464.20

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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.