Home / 64,440.15-96,611.59-42,259.11

Finding the Fourth Proportional to 64,440.15, 96,611.59 and 42,259.11

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Solution

The fourth proportional to 64,440.15, 96,611.59 and 42,259.11 is: 63,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,440.15 : 96,611.59 = 42,259.11 : x
  2. Step 2: Convert to fraction form
    64,440.15/96,611.59 = 42,259.11/x
  3. Step 3: Cross multiply
    64,440.15x = 96,611.59 × 42,259.11
  4. Step 4: Simplify right side
    64,440.15x = 4,082,719,809.08
  5. Step 5: Solve for x
    x = 4,082,719,809.08/64,440.15
  6. Step 6: Final answer
    x = 63,356.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.