Home / 84,036.95-115,968.05-45,795.72

Finding the Fourth Proportional to 84,036.95, 115,968.05 and 45,795.72

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Solution

The fourth proportional to 84,036.95, 115,968.05 and 45,795.72 is: 63,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,036.95 : 115,968.05 = 45,795.72 : x
  2. Step 2: Convert to fraction form
    84,036.95/115,968.05 = 45,795.72/x
  3. Step 3: Cross multiply
    84,036.95x = 115,968.05 × 45,795.72
  4. Step 4: Simplify right side
    84,036.95x = 5,310,840,981.98
  5. Step 5: Solve for x
    x = 5,310,840,981.98/84,036.95
  6. Step 6: Final answer
    x = 63,196.50

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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.