Home / 89,875.52-134,813.28-30,681.44

Finding the Fourth Proportional to 89,875.52, 134,813.28 and 30,681.44

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Solution

The fourth proportional to 89,875.52, 134,813.28 and 30,681.44 is: 46,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,875.52 : 134,813.28 = 30,681.44 : x
  2. Step 2: Convert to fraction form
    89,875.52/134,813.28 = 30,681.44/x
  3. Step 3: Cross multiply
    89,875.52x = 134,813.28 × 30,681.44
  4. Step 4: Simplify right side
    89,875.52x = 4,136,265,561.52
  5. Step 5: Solve for x
    x = 4,136,265,561.52/89,875.52
  6. Step 6: Final answer
    x = 46,022.16

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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.