Home / 88,020-121,467.78-50,294.16

Finding the Fourth Proportional to 88,020, 121,467.78 and 50,294.16

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Solution

The fourth proportional to 88,020, 121,467.78 and 50,294.16 is: 69,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020 : 121,467.78 = 50,294.16 : x
  2. Step 2: Convert to fraction form
    88,020/121,467.78 = 50,294.16/x
  3. Step 3: Cross multiply
    88,020x = 121,467.78 × 50,294.16
  4. Step 4: Simplify right side
    88,020x = 6,109,119,962.16
  5. Step 5: Solve for x
    x = 6,109,119,962.16/88,020
  6. Step 6: Final answer
    x = 69,406.04

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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.