Home / 42,298.68-63,442.98-11,136.36

Finding the Fourth Proportional to 42,298.68, 63,442.98 and 11,136.36

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Solution

The fourth proportional to 42,298.68, 63,442.98 and 11,136.36 is: 16,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,298.68 : 63,442.98 = 11,136.36 : x
  2. Step 2: Convert to fraction form
    42,298.68/63,442.98 = 11,136.36/x
  3. Step 3: Cross multiply
    42,298.68x = 63,442.98 × 11,136.36
  4. Step 4: Simplify right side
    42,298.68x = 706,523,864.75
  5. Step 5: Solve for x
    x = 706,523,864.75/42,298.68
  6. Step 6: Final answer
    x = 16,703.21

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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.