Home / 71,142.83-98,195.54-40,931.24

Finding the Fourth Proportional to 71,142.83, 98,195.54 and 40,931.24

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Solution

The fourth proportional to 71,142.83, 98,195.54 and 40,931.24 is: 56,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142.83 : 98,195.54 = 40,931.24 : x
  2. Step 2: Convert to fraction form
    71,142.83/98,195.54 = 40,931.24/x
  3. Step 3: Cross multiply
    71,142.83x = 98,195.54 × 40,931.24
  4. Step 4: Simplify right side
    71,142.83x = 4,019,265,214.67
  5. Step 5: Solve for x
    x = 4,019,265,214.67/71,142.83
  6. Step 6: Final answer
    x = 56,495.72

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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.