Home / 71,313.24-98,395.65-42,642.21

Finding the Fourth Proportional to 71,313.24, 98,395.65 and 42,642.21

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Solution

The fourth proportional to 71,313.24, 98,395.65 and 42,642.21 is: 58,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.24 : 98,395.65 = 42,642.21 : x
  2. Step 2: Convert to fraction form
    71,313.24/98,395.65 = 42,642.21/x
  3. Step 3: Cross multiply
    71,313.24x = 98,395.65 × 42,642.21
  4. Step 4: Simplify right side
    71,313.24x = 4,195,807,970.39
  5. Step 5: Solve for x
    x = 4,195,807,970.39/71,313.24
  6. Step 6: Final answer
    x = 58,836.31

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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.