Home / 74,987.44-112,478.19-41,686.45

Finding the Fourth Proportional to 74,987.44, 112,478.19 and 41,686.45

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Solution

The fourth proportional to 74,987.44, 112,478.19 and 41,686.45 is: 62,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.44 : 112,478.19 = 41,686.45 : x
  2. Step 2: Convert to fraction form
    74,987.44/112,478.19 = 41,686.45/x
  3. Step 3: Cross multiply
    74,987.44x = 112,478.19 × 41,686.45
  4. Step 4: Simplify right side
    74,987.44x = 4,688,816,443.53
  5. Step 5: Solve for x
    x = 4,688,816,443.53/74,987.44
  6. Step 6: Final answer
    x = 62,528.02

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1.5x scale

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.