Home / 86,052.38-118,719-63,445.01

Finding the Fourth Proportional to 86,052.38, 118,719 and 63,445.01

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Solution

The fourth proportional to 86,052.38, 118,719 and 63,445.01 is: 87,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,052.38 : 118,719 = 63,445.01 : x
  2. Step 2: Convert to fraction form
    86,052.38/118,719 = 63,445.01/x
  3. Step 3: Cross multiply
    86,052.38x = 118,719 × 63,445.01
  4. Step 4: Simplify right side
    86,052.38x = 7,532,127,548.60
  5. Step 5: Solve for x
    x = 7,532,127,548.60/86,052.38
  6. Step 6: Final answer
    x = 87,529.57

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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.