Home / 60,456.17-90,672.45-57,455.63

Finding the Fourth Proportional to 60,456.17, 90,672.45 and 57,455.63

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Solution

The fourth proportional to 60,456.17, 90,672.45 and 57,455.63 is: 86,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,456.17 : 90,672.45 = 57,455.63 : x
  2. Step 2: Convert to fraction form
    60,456.17/90,672.45 = 57,455.63/x
  3. Step 3: Cross multiply
    60,456.17x = 90,672.45 × 57,455.63
  4. Step 4: Simplify right side
    60,456.17x = 5,209,642,409.59
  5. Step 5: Solve for x
    x = 5,209,642,409.59/60,456.17
  6. Step 6: Final answer
    x = 86,172.22

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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.