Home / 51,281.04-70,769.52-29,769.12

Finding the Fourth Proportional to 51,281.04, 70,769.52 and 29,769.12

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Solution

The fourth proportional to 51,281.04, 70,769.52 and 29,769.12 is: 41,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,281.04 : 70,769.52 = 29,769.12 : x
  2. Step 2: Convert to fraction form
    51,281.04/70,769.52 = 29,769.12/x
  3. Step 3: Cross multiply
    51,281.04x = 70,769.52 × 29,769.12
  4. Step 4: Simplify right side
    51,281.04x = 2,106,746,333.22
  5. Step 5: Solve for x
    x = 2,106,746,333.22/51,281.04
  6. Step 6: Final answer
    x = 41,082.36

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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.