Home / 63,085.60-87,058.20-34,405.32

Finding the Fourth Proportional to 63,085.60, 87,058.20 and 34,405.32

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Solution

The fourth proportional to 63,085.60, 87,058.20 and 34,405.32 is: 47,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085.60 : 87,058.20 = 34,405.32 : x
  2. Step 2: Convert to fraction form
    63,085.60/87,058.20 = 34,405.32/x
  3. Step 3: Cross multiply
    63,085.60x = 87,058.20 × 34,405.32
  4. Step 4: Simplify right side
    63,085.60x = 2,995,264,794.33
  5. Step 5: Solve for x
    x = 2,995,264,794.33/63,085.60
  6. Step 6: Final answer
    x = 47,479.38

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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.