Home / 72,464.32-99,999.21-40,632.52

Finding the Fourth Proportional to 72,464.32, 99,999.21 and 40,632.52

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Solution

The fourth proportional to 72,464.32, 99,999.21 and 40,632.52 is: 56,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,464.32 : 99,999.21 = 40,632.52 : x
  2. Step 2: Convert to fraction form
    72,464.32/99,999.21 = 40,632.52/x
  3. Step 3: Cross multiply
    72,464.32x = 99,999.21 × 40,632.52
  4. Step 4: Simplify right side
    72,464.32x = 4,063,219,900.31
  5. Step 5: Solve for x
    x = 4,063,219,900.31/72,464.32
  6. Step 6: Final answer
    x = 56,072.01

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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.