Home / 87,012.10-130,467.86-46,435.56

Finding the Fourth Proportional to 87,012.10, 130,467.86 and 46,435.56

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Solution

The fourth proportional to 87,012.10, 130,467.86 and 46,435.56 is: 69,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,012.10 : 130,467.86 = 46,435.56 : x
  2. Step 2: Convert to fraction form
    87,012.10/130,467.86 = 46,435.56/x
  3. Step 3: Cross multiply
    87,012.10x = 130,467.86 × 46,435.56
  4. Step 4: Simplify right side
    87,012.10x = 6,058,348,141.10
  5. Step 5: Solve for x
    x = 6,058,348,141.10/87,012.10
  6. Step 6: Final answer
    x = 69,626.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.