Home / 47,280.95-70,921.65-14,001.64

Finding the Fourth Proportional to 47,280.95, 70,921.65 and 14,001.64

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Solution

The fourth proportional to 47,280.95, 70,921.65 and 14,001.64 is: 21,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.95 : 70,921.65 = 14,001.64 : x
  2. Step 2: Convert to fraction form
    47,280.95/70,921.65 = 14,001.64/x
  3. Step 3: Cross multiply
    47,280.95x = 70,921.65 × 14,001.64
  4. Step 4: Simplify right side
    47,280.95x = 993,019,411.51
  5. Step 5: Solve for x
    x = 993,019,411.51/47,280.95
  6. Step 6: Final answer
    x = 21,002.53

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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.