Home / 73,788.80-101,799.60-45,445.28

Finding the Fourth Proportional to 73,788.80, 101,799.60 and 45,445.28

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Solution

The fourth proportional to 73,788.80, 101,799.60 and 45,445.28 is: 62,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788.80 : 101,799.60 = 45,445.28 : x
  2. Step 2: Convert to fraction form
    73,788.80/101,799.60 = 45,445.28/x
  3. Step 3: Cross multiply
    73,788.80x = 101,799.60 × 45,445.28
  4. Step 4: Simplify right side
    73,788.80x = 4,626,311,325.89
  5. Step 5: Solve for x
    x = 4,626,311,325.89/73,788.80
  6. Step 6: Final answer
    x = 62,696.66

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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.