Home / 72,444.24-99,975.64-42,224.69

Finding the Fourth Proportional to 72,444.24, 99,975.64 and 42,224.69

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Solution

The fourth proportional to 72,444.24, 99,975.64 and 42,224.69 is: 58,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.24 : 99,975.64 = 42,224.69 : x
  2. Step 2: Convert to fraction form
    72,444.24/99,975.64 = 42,224.69/x
  3. Step 3: Cross multiply
    72,444.24x = 99,975.64 × 42,224.69
  4. Step 4: Simplify right side
    72,444.24x = 4,221,439,906.67
  5. Step 5: Solve for x
    x = 4,221,439,906.67/72,444.24
  6. Step 6: Final answer
    x = 58,271.58

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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.