Home / 64,875.03-89,477.16-40,992.99

Finding the Fourth Proportional to 64,875.03, 89,477.16 and 40,992.99

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Solution

The fourth proportional to 64,875.03, 89,477.16 and 40,992.99 is: 56,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.03 : 89,477.16 = 40,992.99 : x
  2. Step 2: Convert to fraction form
    64,875.03/89,477.16 = 40,992.99/x
  3. Step 3: Cross multiply
    64,875.03x = 89,477.16 × 40,992.99
  4. Step 4: Simplify right side
    64,875.03x = 3,667,936,325.11
  5. Step 5: Solve for x
    x = 3,667,936,325.11/64,875.03
  6. Step 6: Final answer
    x = 56,538.49

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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.