Home / 75,088.32-103,621.28-41,556.16

Finding the Fourth Proportional to 75,088.32, 103,621.28 and 41,556.16

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Solution

The fourth proportional to 75,088.32, 103,621.28 and 41,556.16 is: 57,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.32 : 103,621.28 = 41,556.16 : x
  2. Step 2: Convert to fraction form
    75,088.32/103,621.28 = 41,556.16/x
  3. Step 3: Cross multiply
    75,088.32x = 103,621.28 × 41,556.16
  4. Step 4: Simplify right side
    75,088.32x = 4,306,102,491.08
  5. Step 5: Solve for x
    x = 4,306,102,491.08/75,088.32
  6. Step 6: Final answer
    x = 57,347.17

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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.