Home / 70,346.45-97,080.55-38,515.58

Finding the Fourth Proportional to 70,346.45, 97,080.55 and 38,515.58

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Solution

The fourth proportional to 70,346.45, 97,080.55 and 38,515.58 is: 53,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.45 : 97,080.55 = 38,515.58 : x
  2. Step 2: Convert to fraction form
    70,346.45/97,080.55 = 38,515.58/x
  3. Step 3: Cross multiply
    70,346.45x = 97,080.55 × 38,515.58
  4. Step 4: Simplify right side
    70,346.45x = 3,739,113,108.28
  5. Step 5: Solve for x
    x = 3,739,113,108.28/70,346.45
  6. Step 6: Final answer
    x = 53,152.83

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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.