Home / 72,431.36-99,955.20-44,137.12

Finding the Fourth Proportional to 72,431.36, 99,955.20 and 44,137.12

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Solution

The fourth proportional to 72,431.36, 99,955.20 and 44,137.12 is: 60,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,431.36 : 99,955.20 = 44,137.12 : x
  2. Step 2: Convert to fraction form
    72,431.36/99,955.20 = 44,137.12/x
  3. Step 3: Cross multiply
    72,431.36x = 99,955.20 × 44,137.12
  4. Step 4: Simplify right side
    72,431.36x = 4,411,734,657.02
  5. Step 5: Solve for x
    x = 4,411,734,657.02/72,431.36
  6. Step 6: Final answer
    x = 60,909.18

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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.