Home / 81,875.21-112,987.53-46,065.21

Finding the Fourth Proportional to 81,875.21, 112,987.53 and 46,065.21

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Solution

The fourth proportional to 81,875.21, 112,987.53 and 46,065.21 is: 63,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,875.21 : 112,987.53 = 46,065.21 : x
  2. Step 2: Convert to fraction form
    81,875.21/112,987.53 = 46,065.21/x
  3. Step 3: Cross multiply
    81,875.21x = 112,987.53 × 46,065.21
  4. Step 4: Simplify right side
    81,875.21x = 5,204,794,296.83
  5. Step 5: Solve for x
    x = 5,204,794,296.83/81,875.21
  6. Step 6: Final answer
    x = 63,569.85

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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.