Home / 62,390.08-86,130.06-38,530.60

Finding the Fourth Proportional to 62,390.08, 86,130.06 and 38,530.60

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Solution

The fourth proportional to 62,390.08, 86,130.06 and 38,530.60 is: 53,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,390.08 : 86,130.06 = 38,530.60 : x
  2. Step 2: Convert to fraction form
    62,390.08/86,130.06 = 38,530.60/x
  3. Step 3: Cross multiply
    62,390.08x = 86,130.06 × 38,530.60
  4. Step 4: Simplify right side
    62,390.08x = 3,318,642,530.02
  5. Step 5: Solve for x
    x = 3,318,642,530.02/62,390.08
  6. Step 6: Final answer
    x = 53,191.83

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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.