Home / 72,509.04-100,004.76-59,911.92

Finding the Fourth Proportional to 72,509.04, 100,004.76 and 59,911.92

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Solution

The fourth proportional to 72,509.04, 100,004.76 and 59,911.92 is: 82,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,509.04 : 100,004.76 = 59,911.92 : x
  2. Step 2: Convert to fraction form
    72,509.04/100,004.76 = 59,911.92/x
  3. Step 3: Cross multiply
    72,509.04x = 100,004.76 × 59,911.92
  4. Step 4: Simplify right side
    72,509.04x = 5,991,477,180.74
  5. Step 5: Solve for x
    x = 5,991,477,180.74/72,509.04
  6. Step 6: Final answer
    x = 82,630.76

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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.