Home / 57,195.19-78,931.39-34,529.76

Finding the Fourth Proportional to 57,195.19, 78,931.39 and 34,529.76

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Solution

The fourth proportional to 57,195.19, 78,931.39 and 34,529.76 is: 47,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.19 : 78,931.39 = 34,529.76 : x
  2. Step 2: Convert to fraction form
    57,195.19/78,931.39 = 34,529.76/x
  3. Step 3: Cross multiply
    57,195.19x = 78,931.39 × 34,529.76
  4. Step 4: Simplify right side
    57,195.19x = 2,725,481,953.17
  5. Step 5: Solve for x
    x = 2,725,481,953.17/57,195.19
  6. Step 6: Final answer
    x = 47,652.29

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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.