Home / 73,090.07-100,863.53-42,869.60

Finding the Fourth Proportional to 73,090.07, 100,863.53 and 42,869.60

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Solution

The fourth proportional to 73,090.07, 100,863.53 and 42,869.60 is: 59,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,090.07 : 100,863.53 = 42,869.60 : x
  2. Step 2: Convert to fraction form
    73,090.07/100,863.53 = 42,869.60/x
  3. Step 3: Cross multiply
    73,090.07x = 100,863.53 × 42,869.60
  4. Step 4: Simplify right side
    73,090.07x = 4,323,979,573.38
  5. Step 5: Solve for x
    x = 4,323,979,573.38/73,090.07
  6. Step 6: Final answer
    x = 59,159.60

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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.