Home / 65,208.10-97,812.15-43,320.10

Finding the Fourth Proportional to 65,208.10, 97,812.15 and 43,320.10

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Solution

The fourth proportional to 65,208.10, 97,812.15 and 43,320.10 is: 64,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,208.10 : 97,812.15 = 43,320.10 : x
  2. Step 2: Convert to fraction form
    65,208.10/97,812.15 = 43,320.10/x
  3. Step 3: Cross multiply
    65,208.10x = 97,812.15 × 43,320.10
  4. Step 4: Simplify right side
    65,208.10x = 4,237,232,119.22
  5. Step 5: Solve for x
    x = 4,237,232,119.22/65,208.10
  6. Step 6: Final answer
    x = 64,980.15

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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.