Home / 83,590.04-125,384.63-20,410.52

Finding the Fourth Proportional to 83,590.04, 125,384.63 and 20,410.52

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Solution

The fourth proportional to 83,590.04, 125,384.63 and 20,410.52 is: 30,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,590.04 : 125,384.63 = 20,410.52 : x
  2. Step 2: Convert to fraction form
    83,590.04/125,384.63 = 20,410.52/x
  3. Step 3: Cross multiply
    83,590.04x = 125,384.63 × 20,410.52
  4. Step 4: Simplify right side
    83,590.04x = 2,559,164,769.33
  5. Step 5: Solve for x
    x = 2,559,164,769.33/83,590.04
  6. Step 6: Final answer
    x = 30,615.67

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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.