Home / 103,066.80-154,365.48-61,427.76

Finding the Fourth Proportional to 103,066.80, 154,365.48 and 61,427.76

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Solution

The fourth proportional to 103,066.80, 154,365.48 and 61,427.76 is: 92,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,066.80 : 154,365.48 = 61,427.76 : x
  2. Step 2: Convert to fraction form
    103,066.80/154,365.48 = 61,427.76/x
  3. Step 3: Cross multiply
    103,066.80x = 154,365.48 × 61,427.76
  4. Step 4: Simplify right side
    103,066.80x = 9,482,325,657.72
  5. Step 5: Solve for x
    x = 9,482,325,657.72/103,066.80
  6. Step 6: Final answer
    x = 92,001.75

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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.