Home / 64,630.56-89,127.55-43,121.19

Finding the Fourth Proportional to 64,630.56, 89,127.55 and 43,121.19

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Solution

The fourth proportional to 64,630.56, 89,127.55 and 43,121.19 is: 59,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.56 : 89,127.55 = 43,121.19 : x
  2. Step 2: Convert to fraction form
    64,630.56/89,127.55 = 43,121.19/x
  3. Step 3: Cross multiply
    64,630.56x = 89,127.55 × 43,121.19
  4. Step 4: Simplify right side
    64,630.56x = 3,843,285,783.29
  5. Step 5: Solve for x
    x = 3,843,285,783.29/64,630.56
  6. Step 6: Final answer
    x = 59,465.46

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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.