Home / 72,417.02-99,933.77-40,151.48

Finding the Fourth Proportional to 72,417.02, 99,933.77 and 40,151.48

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Solution

The fourth proportional to 72,417.02, 99,933.77 and 40,151.48 is: 55,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,417.02 : 99,933.77 = 40,151.48 : x
  2. Step 2: Convert to fraction form
    72,417.02/99,933.77 = 40,151.48/x
  3. Step 3: Cross multiply
    72,417.02x = 99,933.77 × 40,151.48
  4. Step 4: Simplify right side
    72,417.02x = 4,012,488,368.19
  5. Step 5: Solve for x
    x = 4,012,488,368.19/72,417.02
  6. Step 6: Final answer
    x = 55,408.09

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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.