Home / 104,038.45-143,573.56-58,718.35

Finding the Fourth Proportional to 104,038.45, 143,573.56 and 58,718.35

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Solution

The fourth proportional to 104,038.45, 143,573.56 and 58,718.35 is: 81,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.45 : 143,573.56 = 58,718.35 : x
  2. Step 2: Convert to fraction form
    104,038.45/143,573.56 = 58,718.35/x
  3. Step 3: Cross multiply
    104,038.45x = 143,573.56 × 58,718.35
  4. Step 4: Simplify right side
    104,038.45x = 8,430,401,828.96
  5. Step 5: Solve for x
    x = 8,430,401,828.96/104,038.45
  6. Step 6: Final answer
    x = 81,031.60

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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.