Home / 97,143.56-145,677.02-47,208.88

Finding the Fourth Proportional to 97,143.56, 145,677.02 and 47,208.88

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Solution

The fourth proportional to 97,143.56, 145,677.02 and 47,208.88 is: 70,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,143.56 : 145,677.02 = 47,208.88 : x
  2. Step 2: Convert to fraction form
    97,143.56/145,677.02 = 47,208.88/x
  3. Step 3: Cross multiply
    97,143.56x = 145,677.02 × 47,208.88
  4. Step 4: Simplify right side
    97,143.56x = 6,877,248,955.94
  5. Step 5: Solve for x
    x = 6,877,248,955.94/97,143.56
  6. Step 6: Final answer
    x = 70,794.70

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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.