Home / 51,301.34-70,825.28-39,106.07

Finding the Fourth Proportional to 51,301.34, 70,825.28 and 39,106.07

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Solution

The fourth proportional to 51,301.34, 70,825.28 and 39,106.07 is: 53,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,301.34 : 70,825.28 = 39,106.07 : x
  2. Step 2: Convert to fraction form
    51,301.34/70,825.28 = 39,106.07/x
  3. Step 3: Cross multiply
    51,301.34x = 70,825.28 × 39,106.07
  4. Step 4: Simplify right side
    51,301.34x = 2,769,697,807.79
  5. Step 5: Solve for x
    x = 2,769,697,807.79/51,301.34
  6. Step 6: Final answer
    x = 53,988.81

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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.