Home / 56,907.04-85,220.16-42,446.80

Finding the Fourth Proportional to 56,907.04, 85,220.16 and 42,446.80

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Solution

The fourth proportional to 56,907.04, 85,220.16 and 42,446.80 is: 63,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.04 : 85,220.16 = 42,446.80 : x
  2. Step 2: Convert to fraction form
    56,907.04/85,220.16 = 42,446.80/x
  3. Step 3: Cross multiply
    56,907.04x = 85,220.16 × 42,446.80
  4. Step 4: Simplify right side
    56,907.04x = 3,617,323,087.49
  5. Step 5: Solve for x
    x = 3,617,323,087.49/56,907.04
  6. Step 6: Final answer
    x = 63,565.48

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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.