Home / 101,748.32-140,412.70-56,433.24

Finding the Fourth Proportional to 101,748.32, 140,412.70 and 56,433.24

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Solution

The fourth proportional to 101,748.32, 140,412.70 and 56,433.24 is: 77,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,748.32 : 140,412.70 = 56,433.24 : x
  2. Step 2: Convert to fraction form
    101,748.32/140,412.70 = 56,433.24/x
  3. Step 3: Cross multiply
    101,748.32x = 140,412.70 × 56,433.24
  4. Step 4: Simplify right side
    101,748.32x = 7,923,943,598.15
  5. Step 5: Solve for x
    x = 7,923,943,598.15/101,748.32
  6. Step 6: Final answer
    x = 77,877.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.