Home / 97,019.60-145,237.80-57,556.40

Finding the Fourth Proportional to 97,019.60, 145,237.80 and 57,556.40

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Solution

The fourth proportional to 97,019.60, 145,237.80 and 57,556.40 is: 86,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019.60 : 145,237.80 = 57,556.40 : x
  2. Step 2: Convert to fraction form
    97,019.60/145,237.80 = 57,556.40/x
  3. Step 3: Cross multiply
    97,019.60x = 145,237.80 × 57,556.40
  4. Step 4: Simplify right side
    97,019.60x = 8,359,364,911.92
  5. Step 5: Solve for x
    x = 8,359,364,911.92/97,019.60
  6. Step 6: Final answer
    x = 86,161.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.