Home / 77,124.04-106,491.54-59,190.68

Finding the Fourth Proportional to 77,124.04, 106,491.54 and 59,190.68

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Solution

The fourth proportional to 77,124.04, 106,491.54 and 59,190.68 is: 81,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124.04 : 106,491.54 = 59,190.68 : x
  2. Step 2: Convert to fraction form
    77,124.04/106,491.54 = 59,190.68/x
  3. Step 3: Cross multiply
    77,124.04x = 106,491.54 × 59,190.68
  4. Step 4: Simplify right side
    77,124.04x = 6,303,306,666.85
  5. Step 5: Solve for x
    x = 6,303,306,666.85/77,124.04
  6. Step 6: Final answer
    x = 81,729.47

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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.