Home / 104,031.92-143,567.70-58,720.88

Finding the Fourth Proportional to 104,031.92, 143,567.70 and 58,720.88

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Solution

The fourth proportional to 104,031.92, 143,567.70 and 58,720.88 is: 81,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,031.92 : 143,567.70 = 58,720.88 : x
  2. Step 2: Convert to fraction form
    104,031.92/143,567.70 = 58,720.88/x
  3. Step 3: Cross multiply
    104,031.92x = 143,567.70 × 58,720.88
  4. Step 4: Simplify right side
    104,031.92x = 8,430,421,683.58
  5. Step 5: Solve for x
    x = 8,430,421,683.58/104,031.92
  6. Step 6: Final answer
    x = 81,036.87

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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.