Home / 64,632.64-89,261.02-57,588.20

Finding the Fourth Proportional to 64,632.64, 89,261.02 and 57,588.20

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Solution

The fourth proportional to 64,632.64, 89,261.02 and 57,588.20 is: 79,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.64 : 89,261.02 = 57,588.20 : x
  2. Step 2: Convert to fraction form
    64,632.64/89,261.02 = 57,588.20/x
  3. Step 3: Cross multiply
    64,632.64x = 89,261.02 × 57,588.20
  4. Step 4: Simplify right side
    64,632.64x = 5,140,381,471.96
  5. Step 5: Solve for x
    x = 5,140,381,471.96/64,632.64
  6. Step 6: Final answer
    x = 79,532.28

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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.