Home / 112,813.68-155,683.80-62,513.52

Finding the Fourth Proportional to 112,813.68, 155,683.80 and 62,513.52

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Solution

The fourth proportional to 112,813.68, 155,683.80 and 62,513.52 is: 86,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813.68 : 155,683.80 = 62,513.52 : x
  2. Step 2: Convert to fraction form
    112,813.68/155,683.80 = 62,513.52/x
  3. Step 3: Cross multiply
    112,813.68x = 155,683.80 × 62,513.52
  4. Step 4: Simplify right side
    112,813.68x = 9,732,342,344.98
  5. Step 5: Solve for x
    x = 9,732,342,344.98/112,813.68
  6. Step 6: Final answer
    x = 86,269.17

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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.