Home / 58,688.76-81,007.11-48,103.68

Finding the Fourth Proportional to 58,688.76, 81,007.11 and 48,103.68

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Solution

The fourth proportional to 58,688.76, 81,007.11 and 48,103.68 is: 66,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,688.76 : 81,007.11 = 48,103.68 : x
  2. Step 2: Convert to fraction form
    58,688.76/81,007.11 = 48,103.68/x
  3. Step 3: Cross multiply
    58,688.76x = 81,007.11 × 48,103.68
  4. Step 4: Simplify right side
    58,688.76x = 3,896,740,097.16
  5. Step 5: Solve for x
    x = 3,896,740,097.16/58,688.76
  6. Step 6: Final answer
    x = 66,396.70

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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.