Home / 64,887.20-97,215.60-40,234.40

Finding the Fourth Proportional to 64,887.20, 97,215.60 and 40,234.40

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Solution

The fourth proportional to 64,887.20, 97,215.60 and 40,234.40 is: 60,280.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.20 : 97,215.60 = 40,234.40 : x
  2. Step 2: Convert to fraction form
    64,887.20/97,215.60 = 40,234.40/x
  3. Step 3: Cross multiply
    64,887.20x = 97,215.60 × 40,234.40
  4. Step 4: Simplify right side
    64,887.20x = 3,911,411,336.64
  5. Step 5: Solve for x
    x = 3,911,411,336.64/64,887.20
  6. Step 6: Final answer
    x = 60,280.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.