Home / 101,027.07-139,407.84-58,581

Finding the Fourth Proportional to 101,027.07, 139,407.84 and 58,581

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Solution

The fourth proportional to 101,027.07, 139,407.84 and 58,581 is: 80,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,027.07 : 139,407.84 = 58,581 : x
  2. Step 2: Convert to fraction form
    101,027.07/139,407.84 = 58,581/x
  3. Step 3: Cross multiply
    101,027.07x = 139,407.84 × 58,581
  4. Step 4: Simplify right side
    101,027.07x = 8,166,650,675.04
  5. Step 5: Solve for x
    x = 8,166,650,675.04/101,027.07
  6. Step 6: Final answer
    x = 80,836.26

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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.