Home / 89,688.11-134,539.91-23,127.68

Finding the Fourth Proportional to 89,688.11, 134,539.91 and 23,127.68

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Solution

The fourth proportional to 89,688.11, 134,539.91 and 23,127.68 is: 34,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688.11 : 134,539.91 = 23,127.68 : x
  2. Step 2: Convert to fraction form
    89,688.11/134,539.91 = 23,127.68/x
  3. Step 3: Cross multiply
    89,688.11x = 134,539.91 × 23,127.68
  4. Step 4: Simplify right side
    89,688.11x = 3,111,595,985.71
  5. Step 5: Solve for x
    x = 3,111,595,985.71/89,688.11
  6. Step 6: Final answer
    x = 34,693.52

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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.