Home / 65,210.10-97,815.15-43,322.10

Finding the Fourth Proportional to 65,210.10, 97,815.15 and 43,322.10

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Solution

The fourth proportional to 65,210.10, 97,815.15 and 43,322.10 is: 64,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,210.10 : 97,815.15 = 43,322.10 : x
  2. Step 2: Convert to fraction form
    65,210.10/97,815.15 = 43,322.10/x
  3. Step 3: Cross multiply
    65,210.10x = 97,815.15 × 43,322.10
  4. Step 4: Simplify right side
    65,210.10x = 4,237,557,709.82
  5. Step 5: Solve for x
    x = 4,237,557,709.82/65,210.10
  6. Step 6: Final answer
    x = 64,983.15

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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.