Home / 93,556.08-129,116.16-51,120.90

Finding the Fourth Proportional to 93,556.08, 129,116.16 and 51,120.90

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Solution

The fourth proportional to 93,556.08, 129,116.16 and 51,120.90 is: 70,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,556.08 : 129,116.16 = 51,120.90 : x
  2. Step 2: Convert to fraction form
    93,556.08/129,116.16 = 51,120.90/x
  3. Step 3: Cross multiply
    93,556.08x = 129,116.16 × 51,120.90
  4. Step 4: Simplify right side
    93,556.08x = 6,600,534,303.74
  5. Step 5: Solve for x
    x = 6,600,534,303.74/93,556.08
  6. Step 6: Final answer
    x = 70,551.63

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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.