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Finding the Fourth Proportional to 89,925.76, 134,870.04 and 26,746.24

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Solution

The fourth proportional to 89,925.76, 134,870.04 and 26,746.24 is: 40,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.76 : 134,870.04 = 26,746.24 : x
  2. Step 2: Convert to fraction form
    89,925.76/134,870.04 = 26,746.24/x
  3. Step 3: Cross multiply
    89,925.76x = 134,870.04 × 26,746.24
  4. Step 4: Simplify right side
    89,925.76x = 3,607,266,458.65
  5. Step 5: Solve for x
    x = 3,607,266,458.65/89,925.76
  6. Step 6: Final answer
    x = 40,113.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.