Home / 93,156.16-139,730.80-40,565.76

Finding the Fourth Proportional to 93,156.16, 139,730.80 and 40,565.76

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Solution

The fourth proportional to 93,156.16, 139,730.80 and 40,565.76 is: 60,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,156.16 : 139,730.80 = 40,565.76 : x
  2. Step 2: Convert to fraction form
    93,156.16/139,730.80 = 40,565.76/x
  3. Step 3: Cross multiply
    93,156.16x = 139,730.80 × 40,565.76
  4. Step 4: Simplify right side
    93,156.16x = 5,668,286,097.41
  5. Step 5: Solve for x
    x = 5,668,286,097.41/93,156.16
  6. Step 6: Final answer
    x = 60,847.14

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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.