Home / 78,060.66-117,117.45-24,761.40

Finding the Fourth Proportional to 78,060.66, 117,117.45 and 24,761.40

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Solution

The fourth proportional to 78,060.66, 117,117.45 and 24,761.40 is: 37,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,060.66 : 117,117.45 = 24,761.40 : x
  2. Step 2: Convert to fraction form
    78,060.66/117,117.45 = 24,761.40/x
  3. Step 3: Cross multiply
    78,060.66x = 117,117.45 × 24,761.40
  4. Step 4: Simplify right side
    78,060.66x = 2,899,992,026.43
  5. Step 5: Solve for x
    x = 2,899,992,026.43/78,060.66
  6. Step 6: Final answer
    x = 37,150.49

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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.