Home / 104,371.79-144,031.77-56,624.78

Finding the Fourth Proportional to 104,371.79, 144,031.77 and 56,624.78

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Solution

The fourth proportional to 104,371.79, 144,031.77 and 56,624.78 is: 78,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,371.79 : 144,031.77 = 56,624.78 : x
  2. Step 2: Convert to fraction form
    104,371.79/144,031.77 = 56,624.78/x
  3. Step 3: Cross multiply
    104,371.79x = 144,031.77 × 56,624.78
  4. Step 4: Simplify right side
    104,371.79x = 8,155,767,649.34
  5. Step 5: Solve for x
    x = 8,155,767,649.34/104,371.79
  6. Step 6: Final answer
    x = 78,141.50

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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.