Home / 65,106.30-97,659.45-42,944.70

Finding the Fourth Proportional to 65,106.30, 97,659.45 and 42,944.70

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Solution

The fourth proportional to 65,106.30, 97,659.45 and 42,944.70 is: 64,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.30 : 97,659.45 = 42,944.70 : x
  2. Step 2: Convert to fraction form
    65,106.30/97,659.45 = 42,944.70/x
  3. Step 3: Cross multiply
    65,106.30x = 97,659.45 × 42,944.70
  4. Step 4: Simplify right side
    65,106.30x = 4,193,955,782.42
  5. Step 5: Solve for x
    x = 4,193,955,782.42/65,106.30
  6. Step 6: Final answer
    x = 64,417.05

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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.