Home / 85,211.04-117,588.88-47,484.32

Finding the Fourth Proportional to 85,211.04, 117,588.88 and 47,484.32

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Solution

The fourth proportional to 85,211.04, 117,588.88 and 47,484.32 is: 65,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,211.04 : 117,588.88 = 47,484.32 : x
  2. Step 2: Convert to fraction form
    85,211.04/117,588.88 = 47,484.32/x
  3. Step 3: Cross multiply
    85,211.04x = 117,588.88 × 47,484.32
  4. Step 4: Simplify right side
    85,211.04x = 5,583,628,006.36
  5. Step 5: Solve for x
    x = 5,583,628,006.36/85,211.04
  6. Step 6: Final answer
    x = 65,527.05

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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.