Home / 58,200.78-87,303.33-18,758.46

Finding the Fourth Proportional to 58,200.78, 87,303.33 and 18,758.46

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Solution

The fourth proportional to 58,200.78, 87,303.33 and 18,758.46 is: 28,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,200.78 : 87,303.33 = 18,758.46 : x
  2. Step 2: Convert to fraction form
    58,200.78/87,303.33 = 18,758.46/x
  3. Step 3: Cross multiply
    58,200.78x = 87,303.33 × 18,758.46
  4. Step 4: Simplify right side
    58,200.78x = 1,637,676,023.67
  5. Step 5: Solve for x
    x = 1,637,676,023.67/58,200.78
  6. Step 6: Final answer
    x = 28,138.39

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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.