Home / 47,088.56-70,623.84-13,810.16

Finding the Fourth Proportional to 47,088.56, 70,623.84 and 13,810.16

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Solution

The fourth proportional to 47,088.56, 70,623.84 and 13,810.16 is: 20,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,088.56 : 70,623.84 = 13,810.16 : x
  2. Step 2: Convert to fraction form
    47,088.56/70,623.84 = 13,810.16/x
  3. Step 3: Cross multiply
    47,088.56x = 70,623.84 × 13,810.16
  4. Step 4: Simplify right side
    47,088.56x = 975,326,530.21
  5. Step 5: Solve for x
    x = 975,326,530.21/47,088.56
  6. Step 6: Final answer
    x = 20,712.60

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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.