Home / 102,541.52-141,507.14-57,216.76

Finding the Fourth Proportional to 102,541.52, 141,507.14 and 57,216.76

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Solution

The fourth proportional to 102,541.52, 141,507.14 and 57,216.76 is: 78,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.52 : 141,507.14 = 57,216.76 : x
  2. Step 2: Convert to fraction form
    102,541.52/141,507.14 = 57,216.76/x
  3. Step 3: Cross multiply
    102,541.52x = 141,507.14 × 57,216.76
  4. Step 4: Simplify right side
    102,541.52x = 8,096,579,427.81
  5. Step 5: Solve for x
    x = 8,096,579,427.81/102,541.52
  6. Step 6: Final answer
    x = 78,959.03

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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.