Home / 84,633.12-116,762.81-50,642.58

Finding the Fourth Proportional to 84,633.12, 116,762.81 and 50,642.58

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Solution

The fourth proportional to 84,633.12, 116,762.81 and 50,642.58 is: 69,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.12 : 116,762.81 = 50,642.58 : x
  2. Step 2: Convert to fraction form
    84,633.12/116,762.81 = 50,642.58/x
  3. Step 3: Cross multiply
    84,633.12x = 116,762.81 × 50,642.58
  4. Step 4: Simplify right side
    84,633.12x = 5,913,169,946.45
  5. Step 5: Solve for x
    x = 5,913,169,946.45/84,633.12
  6. Step 6: Final answer
    x = 69,868.27

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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.