Home / 112,647.75-155,458.76-62,346.75

Finding the Fourth Proportional to 112,647.75, 155,458.76 and 62,346.75

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Solution

The fourth proportional to 112,647.75, 155,458.76 and 62,346.75 is: 86,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647.75 : 155,458.76 = 62,346.75 : x
  2. Step 2: Convert to fraction form
    112,647.75/155,458.76 = 62,346.75/x
  3. Step 3: Cross multiply
    112,647.75x = 155,458.76 × 62,346.75
  4. Step 4: Simplify right side
    112,647.75x = 9,692,348,445.03
  5. Step 5: Solve for x
    x = 9,692,348,445.03/112,647.75
  6. Step 6: Final answer
    x = 86,041.21

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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.