Home / 71,134.64-98,157.38-42,448.98

Finding the Fourth Proportional to 71,134.64, 98,157.38 and 42,448.98

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Solution

The fourth proportional to 71,134.64, 98,157.38 and 42,448.98 is: 58,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.64 : 98,157.38 = 42,448.98 : x
  2. Step 2: Convert to fraction form
    71,134.64/98,157.38 = 42,448.98/x
  3. Step 3: Cross multiply
    71,134.64x = 98,157.38 × 42,448.98
  4. Step 4: Simplify right side
    71,134.64x = 4,166,680,448.23
  5. Step 5: Solve for x
    x = 4,166,680,448.23/71,134.64
  6. Step 6: Final answer
    x = 58,574.57

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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.