Home / 70,340.80-97,115.60-62,774.16

Finding the Fourth Proportional to 70,340.80, 97,115.60 and 62,774.16

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Solution

The fourth proportional to 70,340.80, 97,115.60 and 62,774.16 is: 86,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.80 : 97,115.60 = 62,774.16 : x
  2. Step 2: Convert to fraction form
    70,340.80/97,115.60 = 62,774.16/x
  3. Step 3: Cross multiply
    70,340.80x = 97,115.60 × 62,774.16
  4. Step 4: Simplify right side
    70,340.80x = 6,096,350,212.90
  5. Step 5: Solve for x
    x = 6,096,350,212.90/70,340.80
  6. Step 6: Final answer
    x = 86,668.76

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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.