Home / 64,901.60-97,352.40-47,186.90

Finding the Fourth Proportional to 64,901.60, 97,352.40 and 47,186.90

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Solution

The fourth proportional to 64,901.60, 97,352.40 and 47,186.90 is: 70,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.60 : 97,352.40 = 47,186.90 : x
  2. Step 2: Convert to fraction form
    64,901.60/97,352.40 = 47,186.90/x
  3. Step 3: Cross multiply
    64,901.60x = 97,352.40 × 47,186.90
  4. Step 4: Simplify right side
    64,901.60x = 4,593,757,963.56
  5. Step 5: Solve for x
    x = 4,593,757,963.56/64,901.60
  6. Step 6: Final answer
    x = 70,780.35

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1.5x scale

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.