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Finding the Fourth Proportional to 65,333.30, 97,999.95 and 42,005.30

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Solution

The fourth proportional to 65,333.30, 97,999.95 and 42,005.30 is: 63,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,333.30 : 97,999.95 = 42,005.30 : x
  2. Step 2: Convert to fraction form
    65,333.30/97,999.95 = 42,005.30/x
  3. Step 3: Cross multiply
    65,333.30x = 97,999.95 × 42,005.30
  4. Step 4: Simplify right side
    65,333.30x = 4,116,517,299.74
  5. Step 5: Solve for x
    x = 4,116,517,299.74/65,333.30
  6. Step 6: Final answer
    x = 63,007.95

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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.