Home / 64,845.92-89,501.28-40,957.40

Finding the Fourth Proportional to 64,845.92, 89,501.28 and 40,957.40

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Solution

The fourth proportional to 64,845.92, 89,501.28 and 40,957.40 is: 56,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.92 : 89,501.28 = 40,957.40 : x
  2. Step 2: Convert to fraction form
    64,845.92/89,501.28 = 40,957.40/x
  3. Step 3: Cross multiply
    64,845.92x = 89,501.28 × 40,957.40
  4. Step 4: Simplify right side
    64,845.92x = 3,665,739,725.47
  5. Step 5: Solve for x
    x = 3,665,739,725.47/64,845.92
  6. Step 6: Final answer
    x = 56,530.00

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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.