Home / 103,984.34-143,516.05-58,675.17

Finding the Fourth Proportional to 103,984.34, 143,516.05 and 58,675.17

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Solution

The fourth proportional to 103,984.34, 143,516.05 and 58,675.17 is: 80,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,984.34 : 143,516.05 = 58,675.17 : x
  2. Step 2: Convert to fraction form
    103,984.34/143,516.05 = 58,675.17/x
  3. Step 3: Cross multiply
    103,984.34x = 143,516.05 × 58,675.17
  4. Step 4: Simplify right side
    103,984.34x = 8,420,828,484.79
  5. Step 5: Solve for x
    x = 8,420,828,484.79/103,984.34
  6. Step 6: Final answer
    x = 80,981.70

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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.