Home / 42,693.75-64,040.58-23,730.45

Finding the Fourth Proportional to 42,693.75, 64,040.58 and 23,730.45

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Solution

The fourth proportional to 42,693.75, 64,040.58 and 23,730.45 is: 35,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,693.75 : 64,040.58 = 23,730.45 : x
  2. Step 2: Convert to fraction form
    42,693.75/64,040.58 = 23,730.45/x
  3. Step 3: Cross multiply
    42,693.75x = 64,040.58 × 23,730.45
  4. Step 4: Simplify right side
    42,693.75x = 1,519,711,781.66
  5. Step 5: Solve for x
    x = 1,519,711,781.66/42,693.75
  6. Step 6: Final answer
    x = 35,595.65

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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.