Home / 64,586.40-89,172.73-57,759.24

Finding the Fourth Proportional to 64,586.40, 89,172.73 and 57,759.24

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Solution

The fourth proportional to 64,586.40, 89,172.73 and 57,759.24 is: 79,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.40 : 89,172.73 = 57,759.24 : x
  2. Step 2: Convert to fraction form
    64,586.40/89,172.73 = 57,759.24/x
  3. Step 3: Cross multiply
    64,586.40x = 89,172.73 × 57,759.24
  4. Step 4: Simplify right side
    64,586.40x = 5,150,549,520.12
  5. Step 5: Solve for x
    x = 5,150,549,520.12/64,586.40
  6. Step 6: Final answer
    x = 79,746.65

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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.