Home / 72,461.84-99,997.34-40,630.74

Finding the Fourth Proportional to 72,461.84, 99,997.34 and 40,630.74

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Solution

The fourth proportional to 72,461.84, 99,997.34 and 40,630.74 is: 56,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,461.84 : 99,997.34 = 40,630.74 : x
  2. Step 2: Convert to fraction form
    72,461.84/99,997.34 = 40,630.74/x
  3. Step 3: Cross multiply
    72,461.84x = 99,997.34 × 40,630.74
  4. Step 4: Simplify right side
    72,461.84x = 4,062,965,344.09
  5. Step 5: Solve for x
    x = 4,062,965,344.09/72,461.84
  6. Step 6: Final answer
    x = 56,070.42

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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.