Home / 72,133.08-108,199.62-47,330.07

Finding the Fourth Proportional to 72,133.08, 108,199.62 and 47,330.07

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Solution

The fourth proportional to 72,133.08, 108,199.62 and 47,330.07 is: 70,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,133.08 : 108,199.62 = 47,330.07 : x
  2. Step 2: Convert to fraction form
    72,133.08/108,199.62 = 47,330.07/x
  3. Step 3: Cross multiply
    72,133.08x = 108,199.62 × 47,330.07
  4. Step 4: Simplify right side
    72,133.08x = 5,121,095,588.57
  5. Step 5: Solve for x
    x = 5,121,095,588.57/72,133.08
  6. Step 6: Final answer
    x = 70,995.11

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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.