Home / 72,448.75-99,973.47-40,613.32

Finding the Fourth Proportional to 72,448.75, 99,973.47 and 40,613.32

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Solution

The fourth proportional to 72,448.75, 99,973.47 and 40,613.32 is: 56,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448.75 : 99,973.47 = 40,613.32 : x
  2. Step 2: Convert to fraction form
    72,448.75/99,973.47 = 40,613.32/x
  3. Step 3: Cross multiply
    72,448.75x = 99,973.47 × 40,613.32
  4. Step 4: Simplify right side
    72,448.75x = 4,060,254,528.62
  5. Step 5: Solve for x
    x = 4,060,254,528.62/72,448.75
  6. Step 6: Final answer
    x = 56,043.13

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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.