Home / 64,009.20-96,013.80-59,343.60

Finding the Fourth Proportional to 64,009.20, 96,013.80 and 59,343.60

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Solution

The fourth proportional to 64,009.20, 96,013.80 and 59,343.60 is: 89,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.20 : 96,013.80 = 59,343.60 : x
  2. Step 2: Convert to fraction form
    64,009.20/96,013.80 = 59,343.60/x
  3. Step 3: Cross multiply
    64,009.20x = 96,013.80 × 59,343.60
  4. Step 4: Simplify right side
    64,009.20x = 5,697,804,541.68
  5. Step 5: Solve for x
    x = 5,697,804,541.68/64,009.20
  6. Step 6: Final answer
    x = 89,015.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.