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Finding the Fourth Proportional to 66,670.67, 92,006.51 and 45,166.99

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Solution

The fourth proportional to 66,670.67, 92,006.51 and 45,166.99 is: 62,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,670.67 : 92,006.51 = 45,166.99 : x
  2. Step 2: Convert to fraction form
    66,670.67/92,006.51 = 45,166.99/x
  3. Step 3: Cross multiply
    66,670.67x = 92,006.51 × 45,166.99
  4. Step 4: Simplify right side
    66,670.67x = 4,155,657,117.10
  5. Step 5: Solve for x
    x = 4,155,657,117.10/66,670.67
  6. Step 6: Final answer
    x = 62,331.11

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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.