Home / 74,886.04-112,242.66-28,109.08

Finding the Fourth Proportional to 74,886.04, 112,242.66 and 28,109.08

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Solution

The fourth proportional to 74,886.04, 112,242.66 and 28,109.08 is: 42,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.04 : 112,242.66 = 28,109.08 : x
  2. Step 2: Convert to fraction form
    74,886.04/112,242.66 = 28,109.08/x
  3. Step 3: Cross multiply
    74,886.04x = 112,242.66 × 28,109.08
  4. Step 4: Simplify right side
    74,886.04x = 3,155,037,909.35
  5. Step 5: Solve for x
    x = 3,155,037,909.35/74,886.04
  6. Step 6: Final answer
    x = 42,131.19

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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.