Home / 71,102.36-98,141.51-42,057.63

Finding the Fourth Proportional to 71,102.36, 98,141.51 and 42,057.63

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Solution

The fourth proportional to 71,102.36, 98,141.51 and 42,057.63 is: 58,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,102.36 : 98,141.51 = 42,057.63 : x
  2. Step 2: Convert to fraction form
    71,102.36/98,141.51 = 42,057.63/x
  3. Step 3: Cross multiply
    71,102.36x = 98,141.51 × 42,057.63
  4. Step 4: Simplify right side
    71,102.36x = 4,127,599,315.22
  5. Step 5: Solve for x
    x = 4,127,599,315.22/71,102.36
  6. Step 6: Final answer
    x = 58,051.51

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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.