Home / 72,460.64-99,995.84-42,243.68

Finding the Fourth Proportional to 72,460.64, 99,995.84 and 42,243.68

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Solution

The fourth proportional to 72,460.64, 99,995.84 and 42,243.68 is: 58,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,460.64 : 99,995.84 = 42,243.68 : x
  2. Step 2: Convert to fraction form
    72,460.64/99,995.84 = 42,243.68/x
  3. Step 3: Cross multiply
    72,460.64x = 99,995.84 × 42,243.68
  4. Step 4: Simplify right side
    72,460.64x = 4,224,192,266.29
  5. Step 5: Solve for x
    x = 4,224,192,266.29/72,460.64
  6. Step 6: Final answer
    x = 58,296.37

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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.