Home / 81,840.08-112,938.19-46,030.07

Finding the Fourth Proportional to 81,840.08, 112,938.19 and 46,030.07

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Solution

The fourth proportional to 81,840.08, 112,938.19 and 46,030.07 is: 63,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840.08 : 112,938.19 = 46,030.07 : x
  2. Step 2: Convert to fraction form
    81,840.08/112,938.19 = 46,030.07/x
  3. Step 3: Cross multiply
    81,840.08x = 112,938.19 × 46,030.07
  4. Step 4: Simplify right side
    81,840.08x = 5,198,552,561.22
  5. Step 5: Solve for x
    x = 5,198,552,561.22/81,840.08
  6. Step 6: Final answer
    x = 63,520.87

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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.