Home / 67,124.10-100,904.85-47,538.30

Finding the Fourth Proportional to 67,124.10, 100,904.85 and 47,538.30

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Solution

The fourth proportional to 67,124.10, 100,904.85 and 47,538.30 is: 71,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.10 : 100,904.85 = 47,538.30 : x
  2. Step 2: Convert to fraction form
    67,124.10/100,904.85 = 47,538.30/x
  3. Step 3: Cross multiply
    67,124.10x = 100,904.85 × 47,538.30
  4. Step 4: Simplify right side
    67,124.10x = 4,796,845,030.76
  5. Step 5: Solve for x
    x = 4,796,845,030.76/67,124.10
  6. Step 6: Final answer
    x = 71,462.34

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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.