Home / 72,878.19-100,572.30-46,032.72

Finding the Fourth Proportional to 72,878.19, 100,572.30 and 46,032.72

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Solution

The fourth proportional to 72,878.19, 100,572.30 and 46,032.72 is: 63,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,878.19 : 100,572.30 = 46,032.72 : x
  2. Step 2: Convert to fraction form
    72,878.19/100,572.30 = 46,032.72/x
  3. Step 3: Cross multiply
    72,878.19x = 100,572.30 × 46,032.72
  4. Step 4: Simplify right side
    72,878.19x = 4,629,616,525.66
  5. Step 5: Solve for x
    x = 4,629,616,525.66/72,878.19
  6. Step 6: Final answer
    x = 63,525.40

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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.