Home / 72,152.65-99,506.19-45,297.66

Finding the Fourth Proportional to 72,152.65, 99,506.19 and 45,297.66

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Solution

The fourth proportional to 72,152.65, 99,506.19 and 45,297.66 is: 62,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,152.65 : 99,506.19 = 45,297.66 : x
  2. Step 2: Convert to fraction form
    72,152.65/99,506.19 = 45,297.66/x
  3. Step 3: Cross multiply
    72,152.65x = 99,506.19 × 45,297.66
  4. Step 4: Simplify right side
    72,152.65x = 4,507,397,562.52
  5. Step 5: Solve for x
    x = 4,507,397,562.52/72,152.65
  6. Step 6: Final answer
    x = 62,470.30

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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.