Home / 70,124.22-96,779.70-39,498.32

Finding the Fourth Proportional to 70,124.22, 96,779.70 and 39,498.32

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Solution

The fourth proportional to 70,124.22, 96,779.70 and 39,498.32 is: 54,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124.22 : 96,779.70 = 39,498.32 : x
  2. Step 2: Convert to fraction form
    70,124.22/96,779.70 = 39,498.32/x
  3. Step 3: Cross multiply
    70,124.22x = 96,779.70 × 39,498.32
  4. Step 4: Simplify right side
    70,124.22x = 3,822,635,076.21
  5. Step 5: Solve for x
    x = 3,822,635,076.21/70,124.22
  6. Step 6: Final answer
    x = 54,512.34

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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.