Home / 77,108.14-106,399.86-42,648.22

Finding the Fourth Proportional to 77,108.14, 106,399.86 and 42,648.22

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Solution

The fourth proportional to 77,108.14, 106,399.86 and 42,648.22 is: 58,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,108.14 : 106,399.86 = 42,648.22 : x
  2. Step 2: Convert to fraction form
    77,108.14/106,399.86 = 42,648.22/x
  3. Step 3: Cross multiply
    77,108.14x = 106,399.86 × 42,648.22
  4. Step 4: Simplify right side
    77,108.14x = 4,537,764,637.25
  5. Step 5: Solve for x
    x = 4,537,764,637.25/77,108.14
  6. Step 6: Final answer
    x = 58,849.36

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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.