Home / 70,377.06-97,119.36-40,160.58

Finding the Fourth Proportional to 70,377.06, 97,119.36 and 40,160.58

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Solution

The fourth proportional to 70,377.06, 97,119.36 and 40,160.58 is: 55,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,377.06 : 97,119.36 = 40,160.58 : x
  2. Step 2: Convert to fraction form
    70,377.06/97,119.36 = 40,160.58/x
  3. Step 3: Cross multiply
    70,377.06x = 97,119.36 × 40,160.58
  4. Step 4: Simplify right side
    70,377.06x = 3,900,369,826.83
  5. Step 5: Solve for x
    x = 3,900,369,826.83/70,377.06
  6. Step 6: Final answer
    x = 55,421.04

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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.