Home / 64,901.10-97,351.65-47,186.40

Finding the Fourth Proportional to 64,901.10, 97,351.65 and 47,186.40

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Solution

The fourth proportional to 64,901.10, 97,351.65 and 47,186.40 is: 70,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.10 : 97,351.65 = 47,186.40 : x
  2. Step 2: Convert to fraction form
    64,901.10/97,351.65 = 47,186.40/x
  3. Step 3: Cross multiply
    64,901.10x = 97,351.65 × 47,186.40
  4. Step 4: Simplify right side
    64,901.10x = 4,593,673,897.56
  5. Step 5: Solve for x
    x = 4,593,673,897.56/64,901.10
  6. Step 6: Final answer
    x = 70,779.60

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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.