Home / 112,004.90-168,084.15-49,720.10

Finding the Fourth Proportional to 112,004.90, 168,084.15 and 49,720.10

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Solution

The fourth proportional to 112,004.90, 168,084.15 and 49,720.10 is: 74,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004.90 : 168,084.15 = 49,720.10 : x
  2. Step 2: Convert to fraction form
    112,004.90/168,084.15 = 49,720.10/x
  3. Step 3: Cross multiply
    112,004.90x = 168,084.15 × 49,720.10
  4. Step 4: Simplify right side
    112,004.90x = 8,357,160,746.42
  5. Step 5: Solve for x
    x = 8,357,160,746.42/112,004.90
  6. Step 6: Final answer
    x = 74,614.24

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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.