Home / 57,267.98-79,030.65-42,902.36

Finding the Fourth Proportional to 57,267.98, 79,030.65 and 42,902.36

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Solution

The fourth proportional to 57,267.98, 79,030.65 and 42,902.36 is: 59,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267.98 : 79,030.65 = 42,902.36 : x
  2. Step 2: Convert to fraction form
    57,267.98/79,030.65 = 42,902.36/x
  3. Step 3: Cross multiply
    57,267.98x = 79,030.65 × 42,902.36
  4. Step 4: Simplify right side
    57,267.98x = 3,390,601,397.33
  5. Step 5: Solve for x
    x = 3,390,601,397.33/57,267.98
  6. Step 6: Final answer
    x = 59,205.88

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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.