Home / 72,457.32-99,999.42-48,256.94

Finding the Fourth Proportional to 72,457.32, 99,999.42 and 48,256.94

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Solution

The fourth proportional to 72,457.32, 99,999.42 and 48,256.94 is: 66,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,457.32 : 99,999.42 = 48,256.94 : x
  2. Step 2: Convert to fraction form
    72,457.32/99,999.42 = 48,256.94/x
  3. Step 3: Cross multiply
    72,457.32x = 99,999.42 × 48,256.94
  4. Step 4: Simplify right side
    72,457.32x = 4,825,666,010.97
  5. Step 5: Solve for x
    x = 4,825,666,010.97/72,457.32
  6. Step 6: Final answer
    x = 66,600.12

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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.