Home / 66,916.02-92,343.99-38,621.68

Finding the Fourth Proportional to 66,916.02, 92,343.99 and 38,621.68

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Solution

The fourth proportional to 66,916.02, 92,343.99 and 38,621.68 is: 53,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,916.02 : 92,343.99 = 38,621.68 : x
  2. Step 2: Convert to fraction form
    66,916.02/92,343.99 = 38,621.68/x
  3. Step 3: Cross multiply
    66,916.02x = 92,343.99 × 38,621.68
  4. Step 4: Simplify right side
    66,916.02x = 3,566,480,031.70
  5. Step 5: Solve for x
    x = 3,566,480,031.70/66,916.02
  6. Step 6: Final answer
    x = 53,297.85

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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.