Home / 71,035.85-98,042.18-42,357.36

Finding the Fourth Proportional to 71,035.85, 98,042.18 and 42,357.36

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Solution

The fourth proportional to 71,035.85, 98,042.18 and 42,357.36 is: 58,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035.85 : 98,042.18 = 42,357.36 : x
  2. Step 2: Convert to fraction form
    71,035.85/98,042.18 = 42,357.36/x
  3. Step 3: Cross multiply
    71,035.85x = 98,042.18 × 42,357.36
  4. Step 4: Simplify right side
    71,035.85x = 4,152,807,913.44
  5. Step 5: Solve for x
    x = 4,152,807,913.44/71,035.85
  6. Step 6: Final answer
    x = 58,460.74

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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.