Home / 76,737.12-115,108.56-24,146.40

Finding the Fourth Proportional to 76,737.12, 115,108.56 and 24,146.40

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Solution

The fourth proportional to 76,737.12, 115,108.56 and 24,146.40 is: 36,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,737.12 : 115,108.56 = 24,146.40 : x
  2. Step 2: Convert to fraction form
    76,737.12/115,108.56 = 24,146.40/x
  3. Step 3: Cross multiply
    76,737.12x = 115,108.56 × 24,146.40
  4. Step 4: Simplify right side
    76,737.12x = 2,779,457,333.18
  5. Step 5: Solve for x
    x = 2,779,457,333.18/76,737.12
  6. Step 6: Final answer
    x = 36,220.51

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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.