Home / 80,746.88-111,427.80-44,938.40

Finding the Fourth Proportional to 80,746.88, 111,427.80 and 44,938.40

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Solution

The fourth proportional to 80,746.88, 111,427.80 and 44,938.40 is: 62,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.88 : 111,427.80 = 44,938.40 : x
  2. Step 2: Convert to fraction form
    80,746.88/111,427.80 = 44,938.40/x
  3. Step 3: Cross multiply
    80,746.88x = 111,427.80 × 44,938.40
  4. Step 4: Simplify right side
    80,746.88x = 5,007,387,047.52
  5. Step 5: Solve for x
    x = 5,007,387,047.52/80,746.88
  6. Step 6: Final answer
    x = 62,013.38

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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.