Home / 71,038.12-106,532.10-23,640.40

Finding the Fourth Proportional to 71,038.12, 106,532.10 and 23,640.40

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Solution

The fourth proportional to 71,038.12, 106,532.10 and 23,640.40 is: 35,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038.12 : 106,532.10 = 23,640.40 : x
  2. Step 2: Convert to fraction form
    71,038.12/106,532.10 = 23,640.40/x
  3. Step 3: Cross multiply
    71,038.12x = 106,532.10 × 23,640.40
  4. Step 4: Simplify right side
    71,038.12x = 2,518,461,456.84
  5. Step 5: Solve for x
    x = 2,518,461,456.84/71,038.12
  6. Step 6: Final answer
    x = 35,452.25

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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.