Home / 66,546.34-91,875.40-42,360.95

Finding the Fourth Proportional to 66,546.34, 91,875.40 and 42,360.95

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Solution

The fourth proportional to 66,546.34, 91,875.40 and 42,360.95 is: 58,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.34 : 91,875.40 = 42,360.95 : x
  2. Step 2: Convert to fraction form
    66,546.34/91,875.40 = 42,360.95/x
  3. Step 3: Cross multiply
    66,546.34x = 91,875.40 × 42,360.95
  4. Step 4: Simplify right side
    66,546.34x = 3,891,929,349.42
  5. Step 5: Solve for x
    x = 3,891,929,349.42/66,546.34
  6. Step 6: Final answer
    x = 58,484.50

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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.