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Finding the Fourth Proportional to 66,710, 92,060.16 and 36,495.68

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Solution

The fourth proportional to 66,710, 92,060.16 and 36,495.68 is: 50,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,710 : 92,060.16 = 36,495.68 : x
  2. Step 2: Convert to fraction form
    66,710/92,060.16 = 36,495.68/x
  3. Step 3: Cross multiply
    66,710x = 92,060.16 × 36,495.68
  4. Step 4: Simplify right side
    66,710x = 3,359,798,140.11
  5. Step 5: Solve for x
    x = 3,359,798,140.11/66,710
  6. Step 6: Final answer
    x = 50,364.24

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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.