Home / 44,425.60-66,638.40-42,006.40

Finding the Fourth Proportional to 44,425.60, 66,638.40 and 42,006.40

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Solution

The fourth proportional to 44,425.60, 66,638.40 and 42,006.40 is: 63,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,425.60 : 66,638.40 = 42,006.40 : x
  2. Step 2: Convert to fraction form
    44,425.60/66,638.40 = 42,006.40/x
  3. Step 3: Cross multiply
    44,425.60x = 66,638.40 × 42,006.40
  4. Step 4: Simplify right side
    44,425.60x = 2,799,239,285.76
  5. Step 5: Solve for x
    x = 2,799,239,285.76/44,425.60
  6. Step 6: Final answer
    x = 63,009.60

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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.