Home / 56,900.14-85,283.69-42,814.95

Finding the Fourth Proportional to 56,900.14, 85,283.69 and 42,814.95

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Solution

The fourth proportional to 56,900.14, 85,283.69 and 42,814.95 is: 64,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.14 : 85,283.69 = 42,814.95 : x
  2. Step 2: Convert to fraction form
    56,900.14/85,283.69 = 42,814.95/x
  3. Step 3: Cross multiply
    56,900.14x = 85,283.69 × 42,814.95
  4. Step 4: Simplify right side
    56,900.14x = 3,651,416,389.28
  5. Step 5: Solve for x
    x = 3,651,416,389.28/56,900.14
  6. Step 6: Final answer
    x = 64,172.36

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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.