Home / 74,095.90-102,518.13-64,691.80

Finding the Fourth Proportional to 74,095.90, 102,518.13 and 64,691.80

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Solution

The fourth proportional to 74,095.90, 102,518.13 and 64,691.80 is: 89,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,095.90 : 102,518.13 = 64,691.80 : x
  2. Step 2: Convert to fraction form
    74,095.90/102,518.13 = 64,691.80/x
  3. Step 3: Cross multiply
    74,095.90x = 102,518.13 × 64,691.80
  4. Step 4: Simplify right side
    74,095.90x = 6,632,082,362.33
  5. Step 5: Solve for x
    x = 6,632,082,362.33/74,095.90
  6. Step 6: Final answer
    x = 89,506.74

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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.