Home / 61,644.10-85,071.27-36,146.92

Finding the Fourth Proportional to 61,644.10, 85,071.27 and 36,146.92

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Solution

The fourth proportional to 61,644.10, 85,071.27 and 36,146.92 is: 49,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,644.10 : 85,071.27 = 36,146.92 : x
  2. Step 2: Convert to fraction form
    61,644.10/85,071.27 = 36,146.92/x
  3. Step 3: Cross multiply
    61,644.10x = 85,071.27 × 36,146.92
  4. Step 4: Simplify right side
    61,644.10x = 3,075,064,390.99
  5. Step 5: Solve for x
    x = 3,075,064,390.99/61,644.10
  6. Step 6: Final answer
    x = 49,884.16

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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.