Home / 83,901.12-115,783.48-46,175.40

Finding the Fourth Proportional to 83,901.12, 115,783.48 and 46,175.40

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Solution

The fourth proportional to 83,901.12, 115,783.48 and 46,175.40 is: 63,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,901.12 : 115,783.48 = 46,175.40 : x
  2. Step 2: Convert to fraction form
    83,901.12/115,783.48 = 46,175.40/x
  3. Step 3: Cross multiply
    83,901.12x = 115,783.48 × 46,175.40
  4. Step 4: Simplify right side
    83,901.12x = 5,346,348,502.39
  5. Step 5: Solve for x
    x = 5,346,348,502.39/83,901.12
  6. Step 6: Final answer
    x = 63,722.02

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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.