Home / 104,316.90-143,957.39-56,570.23

Finding the Fourth Proportional to 104,316.90, 143,957.39 and 56,570.23

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Solution

The fourth proportional to 104,316.90, 143,957.39 and 56,570.23 is: 78,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.90 : 143,957.39 = 56,570.23 : x
  2. Step 2: Convert to fraction form
    104,316.90/143,957.39 = 56,570.23/x
  3. Step 3: Cross multiply
    104,316.90x = 143,957.39 × 56,570.23
  4. Step 4: Simplify right side
    104,316.90x = 8,143,702,662.50
  5. Step 5: Solve for x
    x = 8,143,702,662.50/104,316.90
  6. Step 6: Final answer
    x = 78,066.95

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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.