Home / 72,303.76-99,778.49-41,665.60

Finding the Fourth Proportional to 72,303.76, 99,778.49 and 41,665.60

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Solution

The fourth proportional to 72,303.76, 99,778.49 and 41,665.60 is: 57,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,303.76 : 99,778.49 = 41,665.60 : x
  2. Step 2: Convert to fraction form
    72,303.76/99,778.49 = 41,665.60/x
  3. Step 3: Cross multiply
    72,303.76x = 99,778.49 × 41,665.60
  4. Step 4: Simplify right side
    72,303.76x = 4,157,330,652.94
  5. Step 5: Solve for x
    x = 4,157,330,652.94/72,303.76
  6. Step 6: Final answer
    x = 57,498.13

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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.