Home / 81,878.29-112,991.83-46,068.35

Finding the Fourth Proportional to 81,878.29, 112,991.83 and 46,068.35

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Solution

The fourth proportional to 81,878.29, 112,991.83 and 46,068.35 is: 63,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,878.29 : 112,991.83 = 46,068.35 : x
  2. Step 2: Convert to fraction form
    81,878.29/112,991.83 = 46,068.35/x
  3. Step 3: Cross multiply
    81,878.29x = 112,991.83 × 46,068.35
  4. Step 4: Simplify right side
    81,878.29x = 5,205,346,491.45
  5. Step 5: Solve for x
    x = 5,205,346,491.45/81,878.29
  6. Step 6: Final answer
    x = 63,574.19

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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.