Home / 65,905.52-90,956.13-37,615.46

Finding the Fourth Proportional to 65,905.52, 90,956.13 and 37,615.46

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Solution

The fourth proportional to 65,905.52, 90,956.13 and 37,615.46 is: 51,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.52 : 90,956.13 = 37,615.46 : x
  2. Step 2: Convert to fraction form
    65,905.52/90,956.13 = 37,615.46/x
  3. Step 3: Cross multiply
    65,905.52x = 90,956.13 × 37,615.46
  4. Step 4: Simplify right side
    65,905.52x = 3,421,356,669.77
  5. Step 5: Solve for x
    x = 3,421,356,669.77/65,905.52
  6. Step 6: Final answer
    x = 51,913.05

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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.