Home / 74,633.12-112,074.48-46,618.40

Finding the Fourth Proportional to 74,633.12, 112,074.48 and 46,618.40

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Solution

The fourth proportional to 74,633.12, 112,074.48 and 46,618.40 is: 70,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.12 : 112,074.48 = 46,618.40 : x
  2. Step 2: Convert to fraction form
    74,633.12/112,074.48 = 46,618.40/x
  3. Step 3: Cross multiply
    74,633.12x = 112,074.48 × 46,618.40
  4. Step 4: Simplify right side
    74,633.12x = 5,224,732,938.43
  5. Step 5: Solve for x
    x = 5,224,732,938.43/74,633.12
  6. Step 6: Final answer
    x = 70,005.55

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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.