Home / 85,885.24-118,527.70-47,657.02

Finding the Fourth Proportional to 85,885.24, 118,527.70 and 47,657.02

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Solution

The fourth proportional to 85,885.24, 118,527.70 and 47,657.02 is: 65,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,885.24 : 118,527.70 = 47,657.02 : x
  2. Step 2: Convert to fraction form
    85,885.24/118,527.70 = 47,657.02/x
  3. Step 3: Cross multiply
    85,885.24x = 118,527.70 × 47,657.02
  4. Step 4: Simplify right side
    85,885.24x = 5,648,676,969.45
  5. Step 5: Solve for x
    x = 5,648,676,969.45/85,885.24
  6. Step 6: Final answer
    x = 65,770.06

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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.