Home / 72,444.74-99,976.33-42,225.19

Finding the Fourth Proportional to 72,444.74, 99,976.33 and 42,225.19

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Solution

The fourth proportional to 72,444.74, 99,976.33 and 42,225.19 is: 58,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.74 : 99,976.33 = 42,225.19 : x
  2. Step 2: Convert to fraction form
    72,444.74/99,976.33 = 42,225.19/x
  3. Step 3: Cross multiply
    72,444.74x = 99,976.33 × 42,225.19
  4. Step 4: Simplify right side
    72,444.74x = 4,221,519,029.87
  5. Step 5: Solve for x
    x = 4,221,519,029.87/72,444.74
  6. Step 6: Final answer
    x = 58,272.27

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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.