Home / 70,423.09-105,638.92-23,043.17

Finding the Fourth Proportional to 70,423.09, 105,638.92 and 23,043.17

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Solution

The fourth proportional to 70,423.09, 105,638.92 and 23,043.17 is: 34,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,423.09 : 105,638.92 = 23,043.17 : x
  2. Step 2: Convert to fraction form
    70,423.09/105,638.92 = 23,043.17/x
  3. Step 3: Cross multiply
    70,423.09x = 105,638.92 × 23,043.17
  4. Step 4: Simplify right side
    70,423.09x = 2,434,255,798.67
  5. Step 5: Solve for x
    x = 2,434,255,798.67/70,423.09
  6. Step 6: Final answer
    x = 34,566.16

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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.