Home / 66,802.08-92,142.53-42,958.92

Finding the Fourth Proportional to 66,802.08, 92,142.53 and 42,958.92

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Solution

The fourth proportional to 66,802.08, 92,142.53 and 42,958.92 is: 59,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,802.08 : 92,142.53 = 42,958.92 : x
  2. Step 2: Convert to fraction form
    66,802.08/92,142.53 = 42,958.92/x
  3. Step 3: Cross multiply
    66,802.08x = 92,142.53 × 42,958.92
  4. Step 4: Simplify right side
    66,802.08x = 3,958,343,574.87
  5. Step 5: Solve for x
    x = 3,958,343,574.87/66,802.08
  6. Step 6: Final answer
    x = 59,254.80

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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.