Home / 72,460.68-99,993.60-40,630.92

Finding the Fourth Proportional to 72,460.68, 99,993.60 and 40,630.92

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Solution

The fourth proportional to 72,460.68, 99,993.60 and 40,630.92 is: 56,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.68 : 99,993.60 = 40,630.92 : x
  2. Step 2: Convert to fraction form
    72,460.68/99,993.60 = 40,630.92/x
  3. Step 3: Cross multiply
    72,460.68x = 99,993.60 × 40,630.92
  4. Step 4: Simplify right side
    72,460.68x = 4,062,831,962.11
  5. Step 5: Solve for x
    x = 4,062,831,962.11/72,460.68
  6. Step 6: Final answer
    x = 56,069.47

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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.