Home / 77,232.47-106,496.64-67,071.15

Finding the Fourth Proportional to 77,232.47, 106,496.64 and 67,071.15

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Solution

The fourth proportional to 77,232.47, 106,496.64 and 67,071.15 is: 92,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,232.47 : 106,496.64 = 67,071.15 : x
  2. Step 2: Convert to fraction form
    77,232.47/106,496.64 = 67,071.15/x
  3. Step 3: Cross multiply
    77,232.47x = 106,496.64 × 67,071.15
  4. Step 4: Simplify right side
    77,232.47x = 7,142,852,115.94
  5. Step 5: Solve for x
    x = 7,142,852,115.94/77,232.47
  6. Step 6: Final answer
    x = 92,485.10

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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.