Home / 66,802.34-92,142.87-42,959.18

Finding the Fourth Proportional to 66,802.34, 92,142.87 and 42,959.18

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Solution

The fourth proportional to 66,802.34, 92,142.87 and 42,959.18 is: 59,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.34 : 92,142.87 = 42,959.18 : x
  2. Step 2: Convert to fraction form
    66,802.34/92,142.87 = 42,959.18/x
  3. Step 3: Cross multiply
    66,802.34x = 92,142.87 × 42,959.18
  4. Step 4: Simplify right side
    66,802.34x = 3,958,381,677.33
  5. Step 5: Solve for x
    x = 3,958,381,677.33/66,802.34
  6. Step 6: Final answer
    x = 59,255.14

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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.