Home / 112,629.93-155,427.17-62,328.93

Finding the Fourth Proportional to 112,629.93, 155,427.17 and 62,328.93

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Solution

The fourth proportional to 112,629.93, 155,427.17 and 62,328.93 is: 86,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,629.93 : 155,427.17 = 62,328.93 : x
  2. Step 2: Convert to fraction form
    112,629.93/155,427.17 = 62,328.93/x
  3. Step 3: Cross multiply
    112,629.93x = 155,427.17 × 62,328.93
  4. Step 4: Simplify right side
    112,629.93x = 9,687,608,887.38
  5. Step 5: Solve for x
    x = 9,687,608,887.38/112,629.93
  6. Step 6: Final answer
    x = 86,012.74

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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.