Home / 65,303.45-97,955.20-43,111.64

Finding the Fourth Proportional to 65,303.45, 97,955.20 and 43,111.64

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Solution

The fourth proportional to 65,303.45, 97,955.20 and 43,111.64 is: 64,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,303.45 : 97,955.20 = 43,111.64 : x
  2. Step 2: Convert to fraction form
    65,303.45/97,955.20 = 43,111.64/x
  3. Step 3: Cross multiply
    65,303.45x = 97,955.20 × 43,111.64
  4. Step 4: Simplify right side
    65,303.45x = 4,223,009,318.53
  5. Step 5: Solve for x
    x = 4,223,009,318.53/65,303.45
  6. Step 6: Final answer
    x = 64,667.48

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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.