Home / 42,008.04-63,300.12-34,774.80

Finding the Fourth Proportional to 42,008.04, 63,300.12 and 34,774.80

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Solution

The fourth proportional to 42,008.04, 63,300.12 and 34,774.80 is: 52,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,008.04 : 63,300.12 = 34,774.80 : x
  2. Step 2: Convert to fraction form
    42,008.04/63,300.12 = 34,774.80/x
  3. Step 3: Cross multiply
    42,008.04x = 63,300.12 × 34,774.80
  4. Step 4: Simplify right side
    42,008.04x = 2,201,249,012.98
  5. Step 5: Solve for x
    x = 2,201,249,012.98/42,008.04
  6. Step 6: Final answer
    x = 52,400.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.