Home / 50,587.60-75,881.40-47,131.60

Finding the Fourth Proportional to 50,587.60, 75,881.40 and 47,131.60

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Solution

The fourth proportional to 50,587.60, 75,881.40 and 47,131.60 is: 70,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,587.60 : 75,881.40 = 47,131.60 : x
  2. Step 2: Convert to fraction form
    50,587.60/75,881.40 = 47,131.60/x
  3. Step 3: Cross multiply
    50,587.60x = 75,881.40 × 47,131.60
  4. Step 4: Simplify right side
    50,587.60x = 3,576,411,792.24
  5. Step 5: Solve for x
    x = 3,576,411,792.24/50,587.60
  6. Step 6: Final answer
    x = 70,697.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.