Home / 71,035.35-98,041.49-42,356.86

Finding the Fourth Proportional to 71,035.35, 98,041.49 and 42,356.86

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Solution

The fourth proportional to 71,035.35, 98,041.49 and 42,356.86 is: 58,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035.35 : 98,041.49 = 42,356.86 : x
  2. Step 2: Convert to fraction form
    71,035.35/98,041.49 = 42,356.86/x
  3. Step 3: Cross multiply
    71,035.35x = 98,041.49 × 42,356.86
  4. Step 4: Simplify right side
    71,035.35x = 4,152,729,368.07
  5. Step 5: Solve for x
    x = 4,152,729,368.07/71,035.35
  6. Step 6: Final answer
    x = 58,460.04

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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.