Home / 67,640.10-101,431.29-23,271.34

Finding the Fourth Proportional to 67,640.10, 101,431.29 and 23,271.34

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Solution

The fourth proportional to 67,640.10, 101,431.29 and 23,271.34 is: 34,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,640.10 : 101,431.29 = 23,271.34 : x
  2. Step 2: Convert to fraction form
    67,640.10/101,431.29 = 23,271.34/x
  3. Step 3: Cross multiply
    67,640.10x = 101,431.29 × 23,271.34
  4. Step 4: Simplify right side
    67,640.10x = 2,360,442,036.23
  5. Step 5: Solve for x
    x = 2,360,442,036.23/67,640.10
  6. Step 6: Final answer
    x = 34,897.08

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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.