Home / 64,872.30-97,308.45-42,710.70

Finding the Fourth Proportional to 64,872.30, 97,308.45 and 42,710.70

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Solution

The fourth proportional to 64,872.30, 97,308.45 and 42,710.70 is: 64,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.30 : 97,308.45 = 42,710.70 : x
  2. Step 2: Convert to fraction form
    64,872.30/97,308.45 = 42,710.70/x
  3. Step 3: Cross multiply
    64,872.30x = 97,308.45 × 42,710.70
  4. Step 4: Simplify right side
    64,872.30x = 4,156,112,015.42
  5. Step 5: Solve for x
    x = 4,156,112,015.42/64,872.30
  6. Step 6: Final answer
    x = 64,066.05

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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.