Home / 104,047.87-143,585.04-56,300.17

Finding the Fourth Proportional to 104,047.87, 143,585.04 and 56,300.17

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Solution

The fourth proportional to 104,047.87, 143,585.04 and 56,300.17 is: 77,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,047.87 : 143,585.04 = 56,300.17 : x
  2. Step 2: Convert to fraction form
    104,047.87/143,585.04 = 56,300.17/x
  3. Step 3: Cross multiply
    104,047.87x = 143,585.04 × 56,300.17
  4. Step 4: Simplify right side
    104,047.87x = 8,083,862,161.46
  5. Step 5: Solve for x
    x = 8,083,862,161.46/104,047.87
  6. Step 6: Final answer
    x = 77,693.68

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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.