Home / 84,038.10-115,972.20-46,312.26

Finding the Fourth Proportional to 84,038.10, 115,972.20 and 46,312.26

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Solution

The fourth proportional to 84,038.10, 115,972.20 and 46,312.26 is: 63,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038.10 : 115,972.20 = 46,312.26 : x
  2. Step 2: Convert to fraction form
    84,038.10/115,972.20 = 46,312.26/x
  3. Step 3: Cross multiply
    84,038.10x = 115,972.20 × 46,312.26
  4. Step 4: Simplify right side
    84,038.10x = 5,370,934,679.17
  5. Step 5: Solve for x
    x = 5,370,934,679.17/84,038.10
  6. Step 6: Final answer
    x = 63,910.71

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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.