Home / 89,574.35-123,617.84-51,345.74

Finding the Fourth Proportional to 89,574.35, 123,617.84 and 51,345.74

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Solution

The fourth proportional to 89,574.35, 123,617.84 and 51,345.74 is: 70,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.35 : 123,617.84 = 51,345.74 : x
  2. Step 2: Convert to fraction form
    89,574.35/123,617.84 = 51,345.74/x
  3. Step 3: Cross multiply
    89,574.35x = 123,617.84 × 51,345.74
  4. Step 4: Simplify right side
    89,574.35x = 6,347,248,597.18
  5. Step 5: Solve for x
    x = 6,347,248,597.18/89,574.35
  6. Step 6: Final answer
    x = 70,860.12

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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.