Home / 81,346.02-112,244.58-45,537.54

Finding the Fourth Proportional to 81,346.02, 112,244.58 and 45,537.54

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Solution

The fourth proportional to 81,346.02, 112,244.58 and 45,537.54 is: 62,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,346.02 : 112,244.58 = 45,537.54 : x
  2. Step 2: Convert to fraction form
    81,346.02/112,244.58 = 45,537.54/x
  3. Step 3: Cross multiply
    81,346.02x = 112,244.58 × 45,537.54
  4. Step 4: Simplify right side
    81,346.02x = 5,111,342,051.53
  5. Step 5: Solve for x
    x = 5,111,342,051.53/81,346.02
  6. Step 6: Final answer
    x = 62,834.57

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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.