Home / 81,325.90-112,208.36-46,862.16

Finding the Fourth Proportional to 81,325.90, 112,208.36 and 46,862.16

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Solution

The fourth proportional to 81,325.90, 112,208.36 and 46,862.16 is: 64,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,325.90 : 112,208.36 = 46,862.16 : x
  2. Step 2: Convert to fraction form
    81,325.90/112,208.36 = 46,862.16/x
  3. Step 3: Cross multiply
    81,325.90x = 112,208.36 × 46,862.16
  4. Step 4: Simplify right side
    81,325.90x = 5,258,326,119.66
  5. Step 5: Solve for x
    x = 5,258,326,119.66/81,325.90
  6. Step 6: Final answer
    x = 64,657.46

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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.