Home / 85,803.55-118,338.69-60,394.03

Finding the Fourth Proportional to 85,803.55, 118,338.69 and 60,394.03

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Solution

The fourth proportional to 85,803.55, 118,338.69 and 60,394.03 is: 83,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.55 : 118,338.69 = 60,394.03 : x
  2. Step 2: Convert to fraction form
    85,803.55/118,338.69 = 60,394.03/x
  3. Step 3: Cross multiply
    85,803.55x = 118,338.69 × 60,394.03
  4. Step 4: Simplify right side
    85,803.55x = 7,146,950,768.42
  5. Step 5: Solve for x
    x = 7,146,950,768.42/85,803.55
  6. Step 6: Final answer
    x = 83,294.35

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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.