Home / 77,144.34-106,444.80-45,301.62

Finding the Fourth Proportional to 77,144.34, 106,444.80 and 45,301.62

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Solution

The fourth proportional to 77,144.34, 106,444.80 and 45,301.62 is: 62,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,144.34 : 106,444.80 = 45,301.62 : x
  2. Step 2: Convert to fraction form
    77,144.34/106,444.80 = 45,301.62/x
  3. Step 3: Cross multiply
    77,144.34x = 106,444.80 × 45,301.62
  4. Step 4: Simplify right side
    77,144.34x = 4,822,121,880.58
  5. Step 5: Solve for x
    x = 4,822,121,880.58/77,144.34
  6. Step 6: Final answer
    x = 62,507.79

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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.