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Finding the Fourth Proportional to 64,437.62, 96,607.83 and 42,256.58

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Solution

The fourth proportional to 64,437.62, 96,607.83 and 42,256.58 is: 63,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,437.62 : 96,607.83 = 42,256.58 : x
  2. Step 2: Convert to fraction form
    64,437.62/96,607.83 = 42,256.58/x
  3. Step 3: Cross multiply
    64,437.62x = 96,607.83 × 42,256.58
  4. Step 4: Simplify right side
    64,437.62x = 4,082,316,497.02
  5. Step 5: Solve for x
    x = 4,082,316,497.02/64,437.62
  6. Step 6: Final answer
    x = 63,353.00

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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.