Home / 70,883.08-97,832.78-40,688.80

Finding the Fourth Proportional to 70,883.08, 97,832.78 and 40,688.80

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Solution

The fourth proportional to 70,883.08, 97,832.78 and 40,688.80 is: 56,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.08 : 97,832.78 = 40,688.80 : x
  2. Step 2: Convert to fraction form
    70,883.08/97,832.78 = 40,688.80/x
  3. Step 3: Cross multiply
    70,883.08x = 97,832.78 × 40,688.80
  4. Step 4: Simplify right side
    70,883.08x = 3,980,698,418.86
  5. Step 5: Solve for x
    x = 3,980,698,418.86/70,883.08
  6. Step 6: Final answer
    x = 56,158.65

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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.