Home / 121,029.08-167,008.44-70,031.66

Finding the Fourth Proportional to 121,029.08, 167,008.44 and 70,031.66

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Solution

The fourth proportional to 121,029.08, 167,008.44 and 70,031.66 is: 96,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.08 : 167,008.44 = 70,031.66 : x
  2. Step 2: Convert to fraction form
    121,029.08/167,008.44 = 70,031.66/x
  3. Step 3: Cross multiply
    121,029.08x = 167,008.44 × 70,031.66
  4. Step 4: Simplify right side
    121,029.08x = 11,695,877,320.86
  5. Step 5: Solve for x
    x = 11,695,877,320.86/121,029.08
  6. Step 6: Final answer
    x = 96,636.92

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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.