Home / 72,392.83-99,868.30-45,550.13

Finding the Fourth Proportional to 72,392.83, 99,868.30 and 45,550.13

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Solution

The fourth proportional to 72,392.83, 99,868.30 and 45,550.13 is: 62,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,392.83 : 99,868.30 = 45,550.13 : x
  2. Step 2: Convert to fraction form
    72,392.83/99,868.30 = 45,550.13/x
  3. Step 3: Cross multiply
    72,392.83x = 99,868.30 × 45,550.13
  4. Step 4: Simplify right side
    72,392.83x = 4,549,014,047.88
  5. Step 5: Solve for x
    x = 4,549,014,047.88/72,392.83
  6. Step 6: Final answer
    x = 62,837.91

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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.