Home / 47,342.16-70,988.28-14,057.64

Finding the Fourth Proportional to 47,342.16, 70,988.28 and 14,057.64

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Solution

The fourth proportional to 47,342.16, 70,988.28 and 14,057.64 is: 21,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,342.16 : 70,988.28 = 14,057.64 : x
  2. Step 2: Convert to fraction form
    47,342.16/70,988.28 = 14,057.64/x
  3. Step 3: Cross multiply
    47,342.16x = 70,988.28 × 14,057.64
  4. Step 4: Simplify right side
    47,342.16x = 997,927,684.46
  5. Step 5: Solve for x
    x = 997,927,684.46/47,342.16
  6. Step 6: Final answer
    x = 21,079.05

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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.