Home / 64,649.36-89,114.46-59,225.60

Finding the Fourth Proportional to 64,649.36, 89,114.46 and 59,225.60

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Solution

The fourth proportional to 64,649.36, 89,114.46 and 59,225.60 is: 81,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649.36 : 89,114.46 = 59,225.60 : x
  2. Step 2: Convert to fraction form
    64,649.36/89,114.46 = 59,225.60/x
  3. Step 3: Cross multiply
    64,649.36x = 89,114.46 × 59,225.60
  4. Step 4: Simplify right side
    64,649.36x = 5,277,857,362.18
  5. Step 5: Solve for x
    x = 5,277,857,362.18/64,649.36
  6. Step 6: Final answer
    x = 81,638.20

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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.