Home / 79,110.63-109,145.53-45,094.58

Finding the Fourth Proportional to 79,110.63, 109,145.53 and 45,094.58

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Solution

The fourth proportional to 79,110.63, 109,145.53 and 45,094.58 is: 62,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.63 : 109,145.53 = 45,094.58 : x
  2. Step 2: Convert to fraction form
    79,110.63/109,145.53 = 45,094.58/x
  3. Step 3: Cross multiply
    79,110.63x = 109,145.53 × 45,094.58
  4. Step 4: Simplify right side
    79,110.63x = 4,921,871,994.35
  5. Step 5: Solve for x
    x = 4,921,871,994.35/79,110.63
  6. Step 6: Final answer
    x = 62,215.05

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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.