Home / 64,905.16-89,550.84-43,426.48

Finding the Fourth Proportional to 64,905.16, 89,550.84 and 43,426.48

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Solution

The fourth proportional to 64,905.16, 89,550.84 and 43,426.48 is: 59,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.16 : 89,550.84 = 43,426.48 : x
  2. Step 2: Convert to fraction form
    64,905.16/89,550.84 = 43,426.48/x
  3. Step 3: Cross multiply
    64,905.16x = 89,550.84 × 43,426.48
  4. Step 4: Simplify right side
    64,905.16x = 3,888,877,762.24
  5. Step 5: Solve for x
    x = 3,888,877,762.24/64,905.16
  6. Step 6: Final answer
    x = 59,916.31

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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.