Home / 93,587.07-129,149.88-51,145.61

Finding the Fourth Proportional to 93,587.07, 129,149.88 and 51,145.61

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Solution

The fourth proportional to 93,587.07, 129,149.88 and 51,145.61 is: 70,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.07 : 129,149.88 = 51,145.61 : x
  2. Step 2: Convert to fraction form
    93,587.07/129,149.88 = 51,145.61/x
  3. Step 3: Cross multiply
    93,587.07x = 129,149.88 × 51,145.61
  4. Step 4: Simplify right side
    93,587.07x = 6,605,448,556.48
  5. Step 5: Solve for x
    x = 6,605,448,556.48/93,587.07
  6. Step 6: Final answer
    x = 70,580.78

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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.