Home / 47,261.34-70,875.54-13,972.50

Finding the Fourth Proportional to 47,261.34, 70,875.54 and 13,972.50

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Solution

The fourth proportional to 47,261.34, 70,875.54 and 13,972.50 is: 20,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.34 : 70,875.54 = 13,972.50 : x
  2. Step 2: Convert to fraction form
    47,261.34/70,875.54 = 13,972.50/x
  3. Step 3: Cross multiply
    47,261.34x = 70,875.54 × 13,972.50
  4. Step 4: Simplify right side
    47,261.34x = 990,308,482.65
  5. Step 5: Solve for x
    x = 990,308,482.65/47,261.34
  6. Step 6: Final answer
    x = 20,953.88

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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.