Home / 77,258.02-106,607.26-43,261.78

Finding the Fourth Proportional to 77,258.02, 106,607.26 and 43,261.78

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Solution

The fourth proportional to 77,258.02, 106,607.26 and 43,261.78 is: 59,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.02 : 106,607.26 = 43,261.78 : x
  2. Step 2: Convert to fraction form
    77,258.02/106,607.26 = 43,261.78/x
  3. Step 3: Cross multiply
    77,258.02x = 106,607.26 × 43,261.78
  4. Step 4: Simplify right side
    77,258.02x = 4,612,019,828.52
  5. Step 5: Solve for x
    x = 4,612,019,828.52/77,258.02
  6. Step 6: Final answer
    x = 59,696.32

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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.