Home / 104,100.81-143,658.95-56,354.14

Finding the Fourth Proportional to 104,100.81, 143,658.95 and 56,354.14

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Solution

The fourth proportional to 104,100.81, 143,658.95 and 56,354.14 is: 77,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.81 : 143,658.95 = 56,354.14 : x
  2. Step 2: Convert to fraction form
    104,100.81/143,658.95 = 56,354.14/x
  3. Step 3: Cross multiply
    104,100.81x = 143,658.95 × 56,354.14
  4. Step 4: Simplify right side
    104,100.81x = 8,095,776,478.36
  5. Step 5: Solve for x
    x = 8,095,776,478.36/104,100.81
  6. Step 6: Final answer
    x = 77,768.62

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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.