Home / 70,259.72-96,953.12-38,427.56

Finding the Fourth Proportional to 70,259.72, 96,953.12 and 38,427.56

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Solution

The fourth proportional to 70,259.72, 96,953.12 and 38,427.56 is: 53,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259.72 : 96,953.12 = 38,427.56 : x
  2. Step 2: Convert to fraction form
    70,259.72/96,953.12 = 38,427.56/x
  3. Step 3: Cross multiply
    70,259.72x = 96,953.12 × 38,427.56
  4. Step 4: Simplify right side
    70,259.72x = 3,725,671,835.99
  5. Step 5: Solve for x
    x = 3,725,671,835.99/70,259.72
  6. Step 6: Final answer
    x = 53,027.14

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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.