Home / 46,973.90-70,458.42-11,913.86

Finding the Fourth Proportional to 46,973.90, 70,458.42 and 11,913.86

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Solution

The fourth proportional to 46,973.90, 70,458.42 and 11,913.86 is: 17,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,973.90 : 70,458.42 = 11,913.86 : x
  2. Step 2: Convert to fraction form
    46,973.90/70,458.42 = 11,913.86/x
  3. Step 3: Cross multiply
    46,973.90x = 70,458.42 × 11,913.86
  4. Step 4: Simplify right side
    46,973.90x = 839,431,751.70
  5. Step 5: Solve for x
    x = 839,431,751.70/46,973.90
  6. Step 6: Final answer
    x = 17,870.17

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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.