Home / 64,850.02-89,412.46-54,110.63

Finding the Fourth Proportional to 64,850.02, 89,412.46 and 54,110.63

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Solution

The fourth proportional to 64,850.02, 89,412.46 and 54,110.63 is: 74,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.02 : 89,412.46 = 54,110.63 : x
  2. Step 2: Convert to fraction form
    64,850.02/89,412.46 = 54,110.63/x
  3. Step 3: Cross multiply
    64,850.02x = 89,412.46 × 54,110.63
  4. Step 4: Simplify right side
    64,850.02x = 4,838,164,628.70
  5. Step 5: Solve for x
    x = 4,838,164,628.70/64,850.02
  6. Step 6: Final answer
    x = 74,605.45

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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.