Home / 81,346.65-112,263.35-45,538.89

Finding the Fourth Proportional to 81,346.65, 112,263.35 and 45,538.89

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Solution

The fourth proportional to 81,346.65, 112,263.35 and 45,538.89 is: 62,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.65 : 112,263.35 = 45,538.89 : x
  2. Step 2: Convert to fraction form
    81,346.65/112,263.35 = 45,538.89/x
  3. Step 3: Cross multiply
    81,346.65x = 112,263.35 × 45,538.89
  4. Step 4: Simplify right side
    81,346.65x = 5,112,348,346.68
  5. Step 5: Solve for x
    x = 5,112,348,346.68/81,346.65
  6. Step 6: Final answer
    x = 62,846.45

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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.