Home / 84,455.76-116,548.20-50,462.40

Finding the Fourth Proportional to 84,455.76, 116,548.20 and 50,462.40

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Solution

The fourth proportional to 84,455.76, 116,548.20 and 50,462.40 is: 69,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.76 : 116,548.20 = 50,462.40 : x
  2. Step 2: Convert to fraction form
    84,455.76/116,548.20 = 50,462.40/x
  3. Step 3: Cross multiply
    84,455.76x = 116,548.20 × 50,462.40
  4. Step 4: Simplify right side
    84,455.76x = 5,881,301,887.68
  5. Step 5: Solve for x
    x = 5,881,301,887.68/84,455.76
  6. Step 6: Final answer
    x = 69,637.66

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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.