Home / 42,897.48-64,234.80-29,611.50

Finding the Fourth Proportional to 42,897.48, 64,234.80 and 29,611.50

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Solution

The fourth proportional to 42,897.48, 64,234.80 and 29,611.50 is: 44,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.48 : 64,234.80 = 29,611.50 : x
  2. Step 2: Convert to fraction form
    42,897.48/64,234.80 = 29,611.50/x
  3. Step 3: Cross multiply
    42,897.48x = 64,234.80 × 29,611.50
  4. Step 4: Simplify right side
    42,897.48x = 1,902,088,780.20
  5. Step 5: Solve for x
    x = 1,902,088,780.20/42,897.48
  6. Step 6: Final answer
    x = 44,340.34

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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.