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Finding the Fourth Proportional to 64,987.80, 97,467.12 and 29,893.76

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Solution

The fourth proportional to 64,987.80, 97,467.12 and 29,893.76 is: 44,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,987.80 : 97,467.12 = 29,893.76 : x
  2. Step 2: Convert to fraction form
    64,987.80/97,467.12 = 29,893.76/x
  3. Step 3: Cross multiply
    64,987.80x = 97,467.12 × 29,893.76
  4. Step 4: Simplify right side
    64,987.80x = 2,913,658,693.17
  5. Step 5: Solve for x
    x = 2,913,658,693.17/64,987.80
  6. Step 6: Final answer
    x = 44,833.93

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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.