Home / 66,776.04-92,158.28-42,577.88

Finding the Fourth Proportional to 66,776.04, 92,158.28 and 42,577.88

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Solution

The fourth proportional to 66,776.04, 92,158.28 and 42,577.88 is: 58,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.04 : 92,158.28 = 42,577.88 : x
  2. Step 2: Convert to fraction form
    66,776.04/92,158.28 = 42,577.88/x
  3. Step 3: Cross multiply
    66,776.04x = 92,158.28 × 42,577.88
  4. Step 4: Simplify right side
    66,776.04x = 3,923,903,513.17
  5. Step 5: Solve for x
    x = 3,923,903,513.17/66,776.04
  6. Step 6: Final answer
    x = 58,762.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.