Home / 58,007.60-87,011.40-40,511.60

Finding the Fourth Proportional to 58,007.60, 87,011.40 and 40,511.60

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Solution

The fourth proportional to 58,007.60, 87,011.40 and 40,511.60 is: 60,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,007.60 : 87,011.40 = 40,511.60 : x
  2. Step 2: Convert to fraction form
    58,007.60/87,011.40 = 40,511.60/x
  3. Step 3: Cross multiply
    58,007.60x = 87,011.40 × 40,511.60
  4. Step 4: Simplify right side
    58,007.60x = 3,524,971,032.24
  5. Step 5: Solve for x
    x = 3,524,971,032.24/58,007.60
  6. Step 6: Final answer
    x = 60,767.40

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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.