Home / 77,450.10-106,881.18-43,453.89

Finding the Fourth Proportional to 77,450.10, 106,881.18 and 43,453.89

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Solution

The fourth proportional to 77,450.10, 106,881.18 and 43,453.89 is: 59,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,450.10 : 106,881.18 = 43,453.89 : x
  2. Step 2: Convert to fraction form
    77,450.10/106,881.18 = 43,453.89/x
  3. Step 3: Cross multiply
    77,450.10x = 106,881.18 × 43,453.89
  4. Step 4: Simplify right side
    77,450.10x = 4,644,403,038.79
  5. Step 5: Solve for x
    x = 4,644,403,038.79/77,450.10
  6. Step 6: Final answer
    x = 59,966.39

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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.