Home / 64,720.01-89,292.75-36,420.23

Finding the Fourth Proportional to 64,720.01, 89,292.75 and 36,420.23

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Solution

The fourth proportional to 64,720.01, 89,292.75 and 36,420.23 is: 50,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720.01 : 89,292.75 = 36,420.23 : x
  2. Step 2: Convert to fraction form
    64,720.01/89,292.75 = 36,420.23/x
  3. Step 3: Cross multiply
    64,720.01x = 89,292.75 × 36,420.23
  4. Step 4: Simplify right side
    64,720.01x = 3,252,062,045.87
  5. Step 5: Solve for x
    x = 3,252,062,045.87/64,720.01
  6. Step 6: Final answer
    x = 50,248.17

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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.