Home / 64,860.63-89,533.53-55,750.02

Finding the Fourth Proportional to 64,860.63, 89,533.53 and 55,750.02

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Solution

The fourth proportional to 64,860.63, 89,533.53 and 55,750.02 is: 76,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.63 : 89,533.53 = 55,750.02 : x
  2. Step 2: Convert to fraction form
    64,860.63/89,533.53 = 55,750.02/x
  3. Step 3: Cross multiply
    64,860.63x = 89,533.53 × 55,750.02
  4. Step 4: Simplify right side
    64,860.63x = 4,991,496,088.17
  5. Step 5: Solve for x
    x = 4,991,496,088.17/64,860.63
  6. Step 6: Final answer
    x = 76,957.26

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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.