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Finding the Fourth Proportional to 64,294.65, 88,725.65 and 36,001.35

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Solution

The fourth proportional to 64,294.65, 88,725.65 and 36,001.35 is: 49,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,294.65 : 88,725.65 = 36,001.35 : x
  2. Step 2: Convert to fraction form
    64,294.65/88,725.65 = 36,001.35/x
  3. Step 3: Cross multiply
    64,294.65x = 88,725.65 × 36,001.35
  4. Step 4: Simplify right side
    64,294.65x = 3,194,242,999.62
  5. Step 5: Solve for x
    x = 3,194,242,999.62/64,294.65
  6. Step 6: Final answer
    x = 49,681.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.